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GPT-4 vs Hermes 3 405B

GPT-4 and Hermes 3 405B are closely matched at 3.0 and 4.4 on the LLM Stats Score. Hermes 3 405B is 37.5x cheaper per token.

OpenAI · Nous Research · Updated for 2026

Which is better?

GPT-4 and Hermes 3 405B are closely matched on the overall LLM Stats Score at 3.0 and 4.4.

In the 3 individual benchmarks reported for both models, GPT-4 wins 3; this is a narrower head-to-head signal than the composite indexes.

On price, Hermes 3 405B is roughly 37.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Hermes 3 405B also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-4

  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results

Choose Hermes 3 405B

  • cost matters — it's about 37.5x cheaper per token
  • you process long inputs — it offers a 131,072 token context window
  • you want the most recent training data — it shipped Oct 2024
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
3.0
#308
4.4
#299
3.1
#300
3.8
#297
Cost, coverage & limits
Benchmark wins
3 of 3
0 of 3
Input price
$30.00 / M
$1.00 / M
Output price
$60.00 / M
$1.00 / M
Context window
32,768
131,072

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-4
Hermes 3 405B
8.5#257
6.7#267
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

12 reported for GPT-4 · 13 for Hermes 3 405B

3 shared

GPT-4 outperforms in 3 benchmarks (HellaSwag, MMLU, Winogrande), while Hermes 3 405B is better at 0 benchmarks.

GPT-4 significantly outperforms across most benchmarks.

Wed Sep 09 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Hermes 3 405B costs less

For input processing, GPT-4 ($30.00/1M tokens) is 30.0x more expensive than Hermes 3 405B ($1.00/1M tokens).

For output processing, GPT-4 ($60.00/1M tokens) is 60.0x more expensive than Hermes 3 405B ($1.00/1M tokens).

In conclusion, GPT-4 is more expensive than Hermes 3 405B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Wed Sep 09 2026 • llm-stats.com
OpenAI
GPT-4
Input tokens$30.00
Output tokens$60.00
Best providerAzure
Nous Research
Hermes 3 405B
Input tokens$1.00
Output tokens$1.00
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Hermes 3 405B accepts 131,072 input tokens compared to GPT-4's 32,768 tokens. Hermes 3 405B can generate longer responses up to 131,072 tokens, while GPT-4 is limited to 32,768 tokens.

OpenAI
GPT-4
Input32,768 tokens
Output32,768 tokens
Nous Research
Hermes 3 405B
Input131,072 tokens
Output131,072 tokens
Wed Sep 09 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-4 supports multimodal inputs, whereas Hermes 3 405B does not.

GPT-4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4

Text
Images
Audio
Video

Hermes 3 405B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-4 is licensed under a proprietary license, while Hermes 3 405B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-4

Proprietary

Closed source

Hermes 3 405B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-4 was released on 2023-06-13, while Hermes 3 405B was released on 2024-10-09.

Hermes 3 405B is 16 months newer than GPT-4.

GPT-4

Jun 13, 2023

3.2 years ago

Hermes 3 405B

Oct 9, 2024

1.9 years ago

1.3yr newer

Knowledge Cutoff

When training data ends

GPT-4 has a documented knowledge cutoff of 2022-12-31, while Hermes 3 405B's cutoff date is not specified.

We can confirm GPT-4's training data extends to 2022-12-31, but cannot make a direct comparison without Hermes 3 405B's cutoff date.

GPT-4

Dec 2022

Hermes 3 405B

Provider Availability

GPT-4 is available from Azure, OpenAI. Hermes 3 405B is available from DeepInfra.

GPT-4

azure logo
Azure
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M
openai logo
OpenAI
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M

Hermes 3 405B

deepinfra logo
Deepinfra
Input Price:Input: $1.00/1MOutput Price:Output: $1.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GPT-4 and Hermes 3 405B side-by-side, then vote on the output you prefer.

GPT-4
✓ Preferred
Hermes 3 405B
Open in Playground

FAQ

Common questions about GPT-4 vs Hermes 3 405B.

Which is better, GPT-4 or Hermes 3 405B?

GPT-4 and Hermes 3 405B are closely matched on the LLM Stats Score at 3.0 and 4.4. GPT-4 is made by OpenAI and Hermes 3 405B is made by Nous Research. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-4 compare to Hermes 3 405B in benchmarks?

GPT-4 scores AI2 Reasoning Challenge (ARC): 96.3%, HellaSwag: 95.3%, Uniform Bar Exam: 90.0%, SAT Math: 89.0%, LSAT: 88.0%. Hermes 3 405B scores HellaSwag: 90.2%, MT-Bench: 89.3%, BoolQ: 88.9%, Winogrande: 86.3%, ARC-E: 86.2%.

Is GPT-4 cheaper than Hermes 3 405B?

Hermes 3 405B is 30.0x cheaper for input tokens. GPT-4 costs $30.00/M input and $60.00/M output via azure. Hermes 3 405B costs $1.00/M input and $1.00/M output via deepinfra.

What are the context window sizes for GPT-4 and Hermes 3 405B?

GPT-4 supports 33K tokens and Hermes 3 405B supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4 and Hermes 3 405B?

Key differences include LLM Stats Score (3.0 vs 4.4), context window (33K vs 131K), input pricing ($30.00 vs $1.00/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4 and Hermes 3 405B?

GPT-4 is developed by OpenAI and Hermes 3 405B is developed by Nous Research.