Model Comparison

Claude Opus 4.5 vs Hermes 3 70BWhich is better in 2026?

Claude Opus 4.5 significantly outperforms across most benchmarks. Hermes 3 70B is 16.3x cheaper per token.

Verdict: Claude Opus 4.5 vs Hermes 3 70B — which is better?

Claude Opus 4.5 (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.

Claude Opus 4.5 outperforms in 1 benchmarks (GPQA), while Hermes 3 70B is better at 0 benchmarks. Claude Opus 4.5 significantly outperforms across most benchmarks.

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 4.5 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 4.5 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you process long inputs — it offers a 200,000 token context window
  • you want the most recent training data — it shipped Nov 2025

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

1 benchmarks

Claude Opus 4.5 outperforms in 1 benchmarks (GPQA), while Hermes 3 70B is better at 0 benchmarks.

Claude Opus 4.5 significantly outperforms across most benchmarks.

Mon Jun 08 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Hermes 3 70B costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 14.3x more expensive than Hermes 3 70B ($0.35/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 17.9x more expensive than Hermes 3 70B ($1.40/1M tokens).

In conclusion, Claude Opus 4.5 is more expensive than Hermes 3 70B.*

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

Lowest available price from all providers
Mon Jun 08 2026 • llm-stats.com
Anthropic
Claude Opus 4.5
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 4.5 accepts 200,000 input tokens compared to Hermes 3 70B's 131,072 tokens. Claude Opus 4.5 can generate longer responses up to 64,000 tokens, while Hermes 3 70B is limited to 16,384 tokens.

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
Nous Research
Hermes 3 70B
Input131,072 tokens
Output16,384 tokens
Mon Jun 08 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4.5 supports multimodal inputs, whereas Hermes 3 70B does not.

Claude Opus 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4.5

Text
Images
Audio
Video

Hermes 3 70B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.5 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 4.5

Proprietary

Closed source

Hermes 3 70B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while Hermes 3 70B was released on 2024-08-15.

Claude Opus 4.5 is 16 months newer than Hermes 3 70B.

Claude Opus 4.5

Nov 24, 2025

6 months ago

1.3yr newer
Hermes 3 70B

Aug 15, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while Hermes 3 70B's cutoff date is not specified.

We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without Hermes 3 70B's cutoff date.

Claude Opus 4.5

Mar 2025

Hermes 3 70B

Provider Availability

Claude Opus 4.5 is available from Anthropic. Hermes 3 70B is available from DeepInfra.

Claude Opus 4.5

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

Larger context window (200,000 tokens)
Supports multimodal inputs
Higher GPQA score (87.0% vs 66.1%)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.5
Nous Research
Hermes 3 70B

FAQ

Common questions about Claude Opus 4.5 vs Hermes 3 70B.

Which is better, Claude Opus 4.5 or Hermes 3 70B?

Claude Opus 4.5 significantly outperforms across most benchmarks. Claude Opus 4.5 is made by Anthropic and Hermes 3 70B is made by Nous Research. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Opus 4.5 compare to Hermes 3 70B in benchmarks?

Claude Opus 4.5 scores Tau2 Telecom: 98.2%, MMMLU: 90.8%, Tau2 Retail: 88.9%, GPQA: 87.0%, SWE-Bench Verified: 80.9%. Hermes 3 70B scores MT-Bench: 89.9%, HellaSwag: 88.2%, BoolQ: 88.0%, PIQA: 84.4%, Winogrande: 83.2%.

Is Claude Opus 4.5 cheaper than Hermes 3 70B?

Hermes 3 70B is 14.3x cheaper for input tokens. Claude Opus 4.5 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 4.5 and Hermes 3 70B?

Claude Opus 4.5 supports 200K 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 4.5 and Hermes 3 70B?

Key differences include context window (200K 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 4.5 and Hermes 3 70B?

Claude Opus 4.5 is developed by Anthropic and Hermes 3 70B is developed by Nous Research.