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GPT 6 Luna Pro vs Hermes 3 405B

At a glance

OpenAI's GPT-6 Luna served in pro reasoning mode for the hardest problems.

1.1M ctx$0.10/$0.50 per M

NousResearch's large model based on Llama 3.1 405B.

131K ctx$1.00/$1.00 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
Cheaper80%
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
131K
Context
16K
Max output
Aug 2024
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input90%$0.10/M tokens
Output50%$0.50/M tokens
Cache read$0.01/M tokens
Cache write$0.13/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$1.00/M tokens
Output$1.00/M tokens
Chat with GPT 6 Luna ProGo to model
Chat with Hermes 3 405BGo to model
Frequently Asked Questions: GPT 6 Luna Pro vs Hermes 3 405B▼

Which is better, GPT 6 Luna Pro or Hermes 3 405B?

▼

Both GPT 6 Luna Pro and Hermes 3 405B 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, GPT 6 Luna Pro or Hermes 3 405B?

▼

GPT 6 Luna Pro has a lower blended cost. GPT 6 Luna Pro: $0.10 input / $0.50 output. Hermes 3 405B: $1.00 input / $1.00 output.

Which has a larger context window, GPT 6 Luna Pro or Hermes 3 405B?

▼

GPT 6 Luna Pro has a larger context window: GPT 6 Luna Pro supports 1.1M tokens vs Hermes 3 405B at 131K tokens.

Do both GPT 6 Luna Pro and Hermes 3 405B support vision?

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GPT 6 Luna Pro supports vision/image input, but Hermes 3 405B does not.

What are the key differences between GPT 6 Luna Pro and Hermes 3 405B?

▼

Key differences: GPT 6 Luna Pro is significantly cheaper; only GPT 6 Luna Pro supports vision input; only GPT 6 Luna Pro offers extended reasoning mode. 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 GPT 6 Luna Pro and Hermes 3 405B for free on idapt.app to see which performs better for your specific needs.

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