Model Comparison
GPT-4o vs Hermes 3 70BWhich is better in 2026?
GPT-4o shows notably better performance in the majority of benchmarks. Hermes 3 70B is 7.1x cheaper per token.
Verdict: GPT-4o vs Hermes 3 70B — which is better?
GPT-4o (by OpenAI) and Hermes 3 70B (by Nous Research) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
GPT-4o outperforms in 3 benchmarks (MATH, MMLU, MMLU-Pro), while Hermes 3 70B is better at 1 benchmark (GPQA). GPT-4o shows notably better performance in the majority of benchmarks.
On price, Hermes 3 70B is roughly 7.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Hermes 3 70B also accepts a larger context window (131,072 input tokens), making it the stronger choice for long documents and large codebases.
Choose GPT-4o if…
- you want the strongest raw capability — it leads on 3 of 4 shared benchmarks
Choose Hermes 3 70B if…
- cost matters — it's about 7.1x cheaper per token
- you process long inputs — it offers a 131,072 token context window
- you want the most recent training data — it shipped Aug 2024
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
GPT-4o outperforms in 3 benchmarks (MATH, MMLU, MMLU-Pro), while Hermes 3 70B is better at 1 benchmark (GPQA).
GPT-4o shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-4o ($2.50/1M tokens) is 7.1x more expensive than Hermes 3 70B ($0.35/1M tokens).
For output processing, GPT-4o ($10.00/1M tokens) is 7.1x more expensive than Hermes 3 70B ($1.40/1M tokens).
In conclusion, GPT-4o is more expensive than Hermes 3 70B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Hermes 3 70B accepts 131,072 input tokens compared to GPT-4o's 128,000 tokens. Hermes 3 70B can generate longer responses up to 16,384 tokens, while GPT-4o is limited to 4,096 tokens.
Input Capabilities
Supported data types and modalities
GPT-4o supports multimodal inputs, whereas Hermes 3 70B does not.
GPT-4o can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-4o
Hermes 3 70B
License
Usage and distribution terms
GPT-4o is licensed under a proprietary license, while Hermes 3 70B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-4o was released on 2024-05-13, while Hermes 3 70B was released on 2024-08-15.
Hermes 3 70B is 3 months newer than GPT-4o.
May 13, 2024
2.1 years ago
Aug 15, 2024
1.8 years ago
3mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT-4o is available from Azure, OpenAI. Hermes 3 70B is available from DeepInfra.
GPT-4o
Hermes 3 70B
Outputs Comparison
Key Takeaways
GPT-4o
View detailsOpenAI
Hermes 3 70B
View detailsNous Research
GPT-4oHermes 3 70BDetailed Comparison
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FAQ
Common questions about GPT-4o vs Hermes 3 70B.