Model Comparison
GPT-5.6 Terra vs Hermes 3 70BWhich is better in 2026?
GPT-5.6 Terra significantly outperforms across most benchmarks. Hermes 3 70B is 9.2x cheaper per token.
Verdict: GPT-5.6 Terra vs Hermes 3 70B — which is better?
GPT-5.6 Terra (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-5.6 Terra outperforms in 1 benchmarks (GPQA), while Hermes 3 70B is better at 0 benchmarks. GPT-5.6 Terra significantly outperforms across most benchmarks.
On price, Hermes 3 70B is roughly 9.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.6 Terra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GPT-5.6 Terra if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you process long inputs — it offers a 1,050,000 token context window
- you want the most recent training data — it shipped Jul 2026
Choose Hermes 3 70B if…
- cost matters — it's about 9.2x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.6 Terra outperforms in 1 benchmarks (GPQA), while Hermes 3 70B is better at 0 benchmarks.
GPT-5.6 Terra significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.6 Terra ($2.50/1M tokens) is 7.1x more expensive than Hermes 3 70B ($0.35/1M tokens).
For output processing, GPT-5.6 Terra ($15.00/1M tokens) is 10.7x more expensive than Hermes 3 70B ($1.40/1M tokens).
In conclusion, GPT-5.6 Terra 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
GPT-5.6 Terra accepts 1,050,000 input tokens compared to Hermes 3 70B's 131,072 tokens. GPT-5.6 Terra can generate longer responses up to 128,000 tokens, while Hermes 3 70B is limited to 16,384 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.6 Terra supports multimodal inputs, whereas Hermes 3 70B does not.
GPT-5.6 Terra can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.6 Terra
Hermes 3 70B
License
Usage and distribution terms
GPT-5.6 Terra 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-5.6 Terra was released on 2026-07-09, while Hermes 3 70B was released on 2024-08-15.
GPT-5.6 Terra is 23 months newer than Hermes 3 70B.
Jul 9, 2026
1 weeks ago
1.9yr newerAug 15, 2024
1.9 years ago
Knowledge Cutoff
When training data ends
GPT-5.6 Terra has a documented knowledge cutoff of 2026-02-16, while Hermes 3 70B's cutoff date is not specified.
We can confirm GPT-5.6 Terra's training data extends to 2026-02-16, but cannot make a direct comparison without Hermes 3 70B's cutoff date.
Feb 2026
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Provider Availability
GPT-5.6 Terra is available from OpenAI. Hermes 3 70B is available from DeepInfra.
GPT-5.6 Terra
Hermes 3 70B
Outputs Comparison
Key Takeaways
Hermes 3 70B
View detailsNous Research
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT-5.6 Terra and Hermes 3 70B side-by-side, then vote on the output you prefer.
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FAQ
Common questions about GPT-5.6 Terra vs Hermes 3 70B.