---
title: Llama 2 Chat (7B)—Performance and quality report
canonical: https://telnyx.com/llm-library/llama-2-7b-chat-hf
---
# Llama 2 Chat (7B)—Performance and quality report

[Start building](https://telnyx.com/sign-up)

### Ask AI

* [![GPT](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/chatgpt_icon-ea55e09d.jpeg?width=92&format=webp)](https://chat.openai.com/?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.)
* [![Claude](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/claude_icon-c7c8eef3.webp?width=92&format=webp)](https://claude.ai/new?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.)
* [![Perplexity](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/perplexity_icon-cd5b74f1.webp?width=92&format=webp)](https://www.perplexity.ai/search?q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.)
* [![Gemini](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/gemini_icon-4ff1cbf4.webp?width=92&format=webp)](https://www.google.com/search?udm=50&aep=11&q=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.)
* [![Grok](https://d2efw2akbx8gaf.cloudfront.net/https://dotcom-payload-assets-prod.s3.us-east-1.amazonaws.com/cms-media/grok_icon-e588e5bd.webp?width=92&format=webp)](https://x.com/i/grok?text=What makes Telnyx's global network different, breakdown call quality for normal phone calls and voice AI calls.)

# Llama 2 Chat 7B

llama-2-7b-chat-hf llama-2-13b-chat-hf llama-2-70b-chat-hf llava-v1.6-mistral-7b-hf Meta-Llama-3-8B-Instruct Meta-Llama-3-70B-Instruct Meta-Llama-3.1-70B-Instruct mistral-7b-instruct-v0.1 Mistral-7b-Instruct-v0.2 mixtral-8x7b-instruct-v0.1 Nous-Hermes-2-Mistral-7B-DPO Nous-Hermes-2-Mixtral-8x7b-DPO zephyr-7b-beta ultravox-v0\_4\_1-llama-3\_1-8b Llama-3.3-70B-Instruct Llama-Guard-3-1B claude-sonnet-4-20250514 claude-haiku-4-5 claude-opus-4-6 claude-3-7-sonnet-latest llama-4-scout-17b-16e-instruct gemini-2.0-flash gemini-2.5-flash gemini-2.5-flash-lite gpt-oss-120b Kimi-K2.5 Kimi-K2-Instruct Meta-Llama-3.1-8B-Instruct MiniMax-M2.5 llama-3.3-70b-versatile llama-4-maverick-17b-128e-instruct GLM-5 gpt-4-turbo-preview o1-mini o1-preview gpt-4-32k-0314 gpt-4.1 gpt-4.1-mini Qwen3-235B-A22B gpt-4o-mini gpt-5 gpt-5-mini gpt-5.1 gpt-5.2

[Start building](https://telnyx.com/sign-up)[GET Available Models](https://developers.telnyx.com/docs/inference/models)

## about

Meta trained the 7B chat variant on 2 trillion tokens and aligned it using over [1 million human annotations](https://huggingface.co/meta-llama/Llama-2-7b-chat-hf) through a two-stage process of supervised fine-tuning followed by RLHF with rejection sampling and PPO. The safety training was notably aggressive, leading to community discussion about over-refusal, but it established the template for open-weight chat model alignment at commercial scale.

LicenseLLAMA 2 Community License

Context window

## Explore Our LLM Library

Discover the power and diversity of large language models available with Telnyx. Explore the options below to find the perfect model for your project.

### DeepSeek-V4-Flash-0731

OrganizationTelnyx

Model NameDeepSeek-V4-Flash-0731

Taskstext generation

Languages SupportedEnglish

Context Length1,048,576

Parameters284.0B

Model Tierunlisted

Licensemit

### DeepSeek-V4.1-Flash

### gemma-2b-it

### gemma-4-26B-A4B-it

### gemma-4-31B-it

### Llama-3.3-70B-Instruct

### Meta-Llama-3.1-70B-Instruct

### Meta-Llama-3.1-8B-Instruct

### MiniMax-M2.7

### MiniMax-M3-MXFP8

### Kimi-K2.5

### Kimi-K2.6

### Kimi-K3

### NVIDIA-NemotronLabs-VoiceChat-11B

### gpt-oss-120b

### Laguna-S-2.1

### Qwen3-235B-A22B

### Qwen3.8-27B

### GLM-5.1-FP8

### GLM-5.2

### GLM-5.3

### GLM-5.3-Flash

### claude-haiku-4-5

### gemini-2.5-flash

### gemini-3.7-flash

### gpt-oss-120b

### gpt-4.1

### gpt-4o

### gpt-4o-mini

### gpt-5

### gpt-5.1

### gpt-5.2

### gpt-5.4

### gpt-5.4-mini

### gpt-5.6-luna

### gpt-5.6-sol

### gpt-6-luna

### gpt-live-1

HOW IT WORKS

## Selecting LLMs for Voice AI

[GET Available Models](https://developers.telnyx.com/docs/inference/models)

### Create an account

Sign-up to the Telnyx platform to get access to our suite of intuitive AI tools.

### Choose Llama 2 Chat 7B

In the [AI Playground](https://portal.telnyx.com/#/app/next/ai/ai-playground "Telnyx AI Playground") select Llama 2 Chat 7B from the dropdown.

### Enter your API key

If you’re using a proprietary model, you’ll need your API key before prompting the LLM. Our vast selection of OS models allow you to get started right away.

### Prompt the LLM

Get responses from an LLM in minutes, and scale with our [OpenAI-compatible APIs](https://developers.telnyx.com/docs/inference/getting-started "Inference API Quickstart").

Step 1/4

**RESOURCES**

## Get started

Check out our helpful tools to help get you started.

* ### Test in the portal  
Easily browse and select your preferred model in the AI Playground.  
[Test today](https://portal.telnyx.com/#/ai/assistants)

## Sign up and start building

[Sign up](https://telnyx.com/sign-up)[Contact sales](https://telnyx.com/contact-us)

## faqs

### What is Llama 2 7B Chat?

Llama 2 7B Chat is Meta's instruction-tuned conversational model with 7 billion parameters, fine-tuned for dialogue using RLHF. It was released in July 2023 and is available on [Hugging Face](https://huggingface.co/meta-llama/Llama-2-7b-chat-hf) under Meta's community license.

### How to use Llama 2 7B Chat HF?

Llama 2 7B Chat can be loaded through the Hugging Face Transformers library or deployed locally with Ollama and llama.cpp. For production use,  provide API access without managing GPU infrastructure.

(in thousands)

4096

## Use cases for Llama 2 Chat 7B

1. **Conversational AI prototyping:** As Meta's smallest RLHF-tuned chat model with a permissive commercial license, it enables rapid development of conversational agents on single-GPU hardware.
2. **Fine-tuning base for domain chat:** Trained with over 1 million human annotations for RLHF, it provides a strong safety-aligned foundation for custom chatbots in healthcare, education, and support.
3. **On-device dialogue:** At 7B parameters, it runs with quantization on consumer hardware and mobile devices for offline conversational applications.

## Quality

Arena Elo1037

MMLU45.8

MT Bench6.27

Llama 2 7B Chat scores 45.3% on MMLU (5-shot), placing it well below Llama 3 8B Instruct (67.4%) on the same sheet despite similar parameter counts. The 22-point gap reflects the generational improvement from 2T to 15T training tokens between the Llama 2 and Llama 3 families. Within the Llama 2 lineup, the 7B trails the 13B (54.8%) by about 10 points.

**Code Llama 70B Instruct**

1042

**Gemma 7B IT**

1038

**Llama 2 Chat 7B**

1037

**Nous Hermes 2 Mistral 7B**

1010

**Mistral 7B Instruct v0.1**

1008

## pricing

The cost of running the model with Telnyx Inference is $0.0002 per 1,000 tokens. For instance, analyzing 1,000,000 customer chats, assuming each chat is 1,000 tokens long, would cost $200.

## What's Twitter saying?

* Developers praise Llama 2 7B Chat for outperforming most open-source chat models in benchmarks like Arena Elo (1037) and MMLU (45.8), with strong conversation understanding and translation skills, though it needs fine-tuning for complex tasks.
* Tech commentators note its coding strengths, as Llama 2 Chat generated working Python web scraping code out-of-the-box where models like CodeWhisperer failed, but criticize the RLHF-tuned chat version as overly censored and unhelpful.
* Community users report setup frustrations on platforms like GitHub and Hugging Face, with weird local responses compared to HF API outputs, often due to tokenizer issues or hardware limits.

| Organization | Model Name                                                              | Tasks            | Languages Supported | Context Length | Parameters | Model Tier | License           |
| ------------ | ----------------------------------------------------------------------- | ---------------- | ------------------- | -------------- | ---------- | ---------- | ----------------- |
| Telnyx       | DeepSeek-V4-Flash-0731                                                  | text generation  | English             | 1,048,576      | 284.0B     | unlisted   | mit               |
| Telnyx       | DeepSeek-V4.1-Flash                                                     | text generation  | English             | 1,048,576      | 552.0B     | small      | mit               |
| google       | [gemma-2b-it](https://telnyx.com/llm-library/gemma-2b-it)                                 | text generation  | English             | 8,192          | 2.5B       | small      | gemma             |
| google       | gemma-4-26B-A4B-it                                                      | text to-text     | Multilingual        | 262,144        | 25.8B      | small      | apache-2.0        |
| google       | gemma-4-31B-it                                                          | text generation  | Multilingual        | 131,072        | 30.7B      | small      | apache-2.0        |
| meta-llama   | [Llama-3.3-70B-Instruct](https://telnyx.com/llm-library/llama-3.3-70b-instruct)           | text generation  | Multilingual        | 99,000         | 70.6B      | large      | llama3.3          |
| meta-llama   | [Meta-Llama-3.1-70B-Instruct](https://telnyx.com/llm-library/meta-llama-3-1-70b-instruct) | text generation  | Multilingual        | 99,000         | 70.6B      | large      | llama3.1          |
| meta-llama   | [Meta-Llama-3.1-8B-Instruct](https://telnyx.com/llm-library/meta-llama-3.1-8b-instruct)   | text generation  | Multilingual        | 131,072        | 8.0B       | small      | llama3.1          |
| minimaxai    | MiniMax-M2.7                                                            | text generation  | Multilingual        | 200,000        | 0          | large      | minimaxai         |
| minimaxai    | MiniMax-M3-MXFP8                                                        | text generation  | Multilingual        | 1,000,000      | 428.0B     | small      | minimax-community |
| moonshotai   | [Kimi-K2.5](https://telnyx.com/llm-library/kimi-k2.5)                                     | text generation  | Multilingual        | 256,000        | 1.0T       | large      | modified-mit      |
| moonshotai   | Kimi-K2.6                                                               | text generation  | Multilingual        | 262,144        | 1.0T       | medium     | modified-mit      |
| moonshotai   | Kimi-K3                                                                 | text generation  | English             | 1,000,000      | 2.8M       | large      | MIT Modified      |
| nvidia       | NVIDIA-NemotronLabs-VoiceChat-11B                                       | speech to-speech | English             | 8,192          | 11.1B      | medium     | openmdw-1.1       |
| openai       | [gpt-oss-120b](https://telnyx.com/llm-library/gpt-oss-120b)                               | text generation  | Multilingual        | 131,072        | 117.0B     | small      | apache-2.0        |
| poolside     | Laguna-S-2.1                                                            | text generation  | English             | 1,048,576      | 117.6B     | unlisted   | OpenMDW-1.1       |
| Qwen         | [Qwen3-235B-A22B](https://telnyx.com/llm-library/qwen3-235b-a22b)                         | text generation  | English             | 32,768         | 235.1B     | large      | apache-2.0        |
| Telnyx       | Qwen3.8-27B                                                             | text generation  | English             | 262,144        | 27.0B      | small      | Apache 2.0        |
| zai-org      | GLM-5.1-FP8                                                             | text generation  | Multilingual        | 202,752        | 753.9B     | large      | mit               |
| zai-org      | GLM-5.2                                                                 | text generation  | English             | 1,000,000      | 753.9B     | medium     | MIT               |
| Telnyx       | GLM-5.3                                                                 | text generation  | English             | 1,048,576      | 753.0B     | medium     | glm-5.3           |
| zai-org      | GLM-5.3-Flash                                                           | text generation  | English             | 1,048,576      | 320.0B     | small      | mit               |
| anthropic    | [claude-haiku-4-5](https://telnyx.com/llm-library/claude-haiku-4-5)                       | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| google       | [gemini-2.5-flash](https://telnyx.com/llm-library/gemini-2.5-flash)                       | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| google       | gemini-3.7-flash                                                        | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| groq         | [gpt-oss-120b](https://telnyx.com/llm-library/gpt-oss-120b)                               | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | gpt-4.1                                                                 | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | [gpt-4o](https://telnyx.com/llm-library/gpt-4-omni)                                       | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | [gpt-4o-mini](https://telnyx.com/llm-library/gpt-4o-mini)                                 | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | gpt-5                                                                   | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | gpt-5.1                                                                 | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | [gpt-5.2](https://telnyx.com/llm-library/gpt-5.2)                                         | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | gpt-5.4                                                                 | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | gpt-5.4-mini                                                            | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | gpt-5.6-luna                                                            | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | gpt-5.6-sol                                                             | text generation  | Multilingual        | 400,000        | 0          | large      | openai            |
| openai       | gpt-6-luna                                                              | text generation  | Multilingual        | 1,050,000      | 0          | large      | openai            |
| openai       | gpt-live-1                                                              | speech to-speech | Multilingual        | 400,000        | 0          | large      | openai            |

* ### Explore the docs  
Don’t wait to scale, start today with our public API endpoints.  
[Get started](https://developers.telnyx.com/api-reference/assistants/list-assistants)

* ### Stay up to date  
Keep an eye on our AI changelog so you don't miss a beat.  
[See updates](https://telnyx.com/release-notes)

hosted inference platforms

### Is Llama 2 7B good?

Llama 2 7B was a strong model at launch, outperforming many open-source alternatives at the 7B scale. It has since been surpassed by Llama 3 and Mistral 7B on most benchmarks, making those [newer alternatives](https://telnyx.com/llm-library/llama-2-13b-chat-hf) better choices for new projects.

### Can I use Llama 2 for free?

Yes, Llama 2 is released under Meta's community license, which permits free use for research and commercial applications with fewer than 700 million monthly active users. Weights are available on [Hugging Face](https://huggingface.co/meta-llama/Llama-2-7b-chat-hf).

### How much RAM does Llama 2 7B need?

Llama 2 7B requires approximately 14GB of RAM for full-precision inference, or 4-6GB with 4-bit quantization. This makes it runnable on [consumer GPUs and even some CPU-only setups](https://telnyx.com/llm-library/llama-2-7b-chat-hf) with quantized formats.

### Is Llama 2 7B better than GPT-3.5?

Llama 2 7B is generally comparable to GPT-3.5 on straightforward tasks but falls short on complex reasoning. For cost-sensitive [inference workloads](https://telnyx.com/llm-library/llama-2-7b-chat-hf), the self-hostable nature of Llama 2 can make it more economical than API-based alternatives.

Llama 2 Chat (7B)—Performance and quality report