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Hermes 4 405B vs Claude Opus 5

At a glance

NousResearch's flagship large-scale reasoning model based on Llama 4.

131K ctx$1.00/$3.00 per M

Anthropic's flagship for demanding reasoning, coding, and long-horizon agentic work.

1M ctx$5.00/$25.00 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper85%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Specs
131K
Context
16K
Max output
Aug 2025
Released
1M
Context
128K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input80%$1.00/M tokens
Output88%$3.00/M tokens
Live pricing, shown before you run
Input$5.00/M tokens
Output$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search$0.01/search
Chat with Hermes 4 405BGo to model
Chat with Claude Opus 5Go to model
Frequently Asked Questions: Hermes 4 405B vs Claude Opus 5▼

Which is better, Hermes 4 405B or Claude Opus 5?

▼

Both Hermes 4 405B and Claude Opus 5 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Hermes 4 405B or Claude Opus 5?

▼

Hermes 4 405B has a lower blended cost. Hermes 4 405B: $1.00 input / $3.00 output. Claude Opus 5: $5.00 input / $25.00 output.

Which has a larger context window, Hermes 4 405B or Claude Opus 5?

▼

Claude Opus 5 has a larger context window: Hermes 4 405B supports 131K tokens vs Claude Opus 5 at 1M tokens.

Do both Hermes 4 405B and Claude Opus 5 support vision?

▼

Claude Opus 5 supports vision/image input, but Hermes 4 405B does not.

What are the key differences between Hermes 4 405B and Claude Opus 5?

▼

Key differences: Hermes 4 405B is significantly cheaper; only Claude Opus 5 supports vision input. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Hermes 4 405B and Claude Opus 5 for free on idapt.app to see which performs better for your specific needs.

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