Model Comparison

Claude Opus 5 vs Hermes 3 70BWhich is better in 2026?

Comparing Claude Opus 5 and Hermes 3 70B across benchmarks, pricing, and capabilities.

Verdict: Claude Opus 5 vs Hermes 3 70B — which is better?

Claude Opus 5 (by Anthropic) 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.

On price, Hermes 3 70B is roughly 16.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Opus 5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 5 if…

  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose Hermes 3 70B if…

  • cost matters — it's about 16.3x cheaper per token
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Opus 5 and Hermes 3 70Bdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Hermes 3 70B costs less

For input processing, Claude Opus 5 ($5.00/1M tokens) is 14.3x more expensive than Hermes 3 70B ($0.35/1M tokens).

For output processing, Claude Opus 5 ($25.00/1M tokens) is 17.9x more expensive than Hermes 3 70B ($1.40/1M tokens).

In conclusion, Claude Opus 5 is more expensive than Hermes 3 70B.*

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

Lowest available price from all providers
Sat Jul 25 2026 • llm-stats.com
Anthropic
Claude Opus 5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Nous Research
Hermes 3 70B
Input tokens$0.35
Output tokens$1.40
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 5 accepts 1,000,000 input tokens compared to Hermes 3 70B's 131,072 tokens. Claude Opus 5 can generate longer responses up to 128,000 tokens, while Hermes 3 70B is limited to 16,384 tokens.

Anthropic
Claude Opus 5
Input1,000,000 tokens
Output128,000 tokens
Nous Research
Hermes 3 70B
Input131,072 tokens
Output16,384 tokens
Sat Jul 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 5 supports multimodal inputs, whereas Hermes 3 70B does not.

Claude Opus 5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5

Text
Images
Audio
Video

Hermes 3 70B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5 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.

Claude Opus 5

Proprietary

Closed source

Hermes 3 70B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 5 was released on 2026-07-24, while Hermes 3 70B was released on 2024-08-15.

Claude Opus 5 is 24 months newer than Hermes 3 70B.

Claude Opus 5

Jul 24, 2026

0 days ago

1.9yr newer
Hermes 3 70B

Aug 15, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude Opus 5 is available from Anthropic. Hermes 3 70B is available from DeepInfra.

Claude Opus 5

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

Hermes 3 70B

deepinfra logo
Deepinfra
Input Price:Input: $0.35/1MOutput Price:Output: $1.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (1,000,000 tokens)
Supports multimodal inputs
Nous Research
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Opus 5 and Hermes 3 70B side-by-side, then vote on the output you prefer.

Claude Opus 5
✓ Preferred
Hermes 3 70B
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Opus 5
Nous Research
Hermes 3 70B

FAQ

Common questions about Claude Opus 5 vs Hermes 3 70B.

Which is better, Claude Opus 5 or Hermes 3 70B?

Claude Opus 5 (Anthropic) and Hermes 3 70B (Nous Research) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Opus 5 compare to Hermes 3 70B in benchmarks?

Claude Opus 5 scores BrowseComp: 90.8%, BioMysteryBench: 90.1%, OSWorld 2.0: 70.6%, DeepSWE 1.1: 68.8%, Humanity's Last Exam: 64.7%. Hermes 3 70B scores MT-Bench: 89.9%, HellaSwag: 88.2%, BoolQ: 88.0%, PIQA: 84.4%, Winogrande: 83.2%.

Is Claude Opus 5 cheaper than Hermes 3 70B?

Hermes 3 70B is 14.3x cheaper for input tokens. Claude Opus 5 costs $5.00/M input and $25.00/M output via anthropic. Hermes 3 70B costs $0.35/M input and $1.40/M output via deepinfra.

What are the context window sizes for Claude Opus 5 and Hermes 3 70B?

Claude Opus 5 supports 1.0M tokens and Hermes 3 70B 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 Claude Opus 5 and Hermes 3 70B?

Key differences include context window (1.0M vs 131K), input pricing ($5.00 vs $0.35/M), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5 and Hermes 3 70B?

Claude Opus 5 is developed by Anthropic and Hermes 3 70B is developed by Nous Research.

Related comparisons