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Claude Haiku 4.5 vs Hermes 4 405B

Side-by-side API pricing and Artificial Analysis performance for Claude Haiku 4.5 (Anthropic) and Hermes 4 405B (Nous Research). Green cells mark the better value in each row.

Prices updated Jul 22, 2026, 1:34 AM UTC · refreshed hourly

Claude Haiku 4.5

Anthropic

Hermes 4 405B

Nous Research

Pricing
Input $/1M$1.00$1.00
Output $/1M$5.00$3.00
Blended $/1M (3:1)$2.00$1.50
RAG example (30K in / 2K out)$0.04$0.036
Quality & speed
Intelligence Index29.6
Coding Index43.9
Agentic Index16.4
Output speed (tok/s)
Time to first token
Specs
Context window200K131K
Input modalitiestext, image, filetext

FAQ

Which is cheaper, Claude Haiku 4.5 or Hermes 4 405B?

Hermes 4 405B has the lower blended API price at $1.50 per 1M tokens (3:1 input:output mix), versus $2.00 for the other model. Prices are live from OpenRouter and refresh about hourly.

Which is better for RAG workloads?

For a typical RAG request (30K input / 2K output tokens), Hermes 4 405B costs about $0.036 per request versus $0.04. Also compare context windows: Claude Haiku 4.5 offers 200K and Hermes 4 405B offers 131K.

Which scores higher on Artificial Analysis benchmarks?

Claude Haiku 4.5 leads on the Artificial Analysis Intelligence Index (29.6 vs —). Check coding and agentic indices on this page for workload-specific tradeoffs.