Friday, August 21, 2026 · No. 390Prices synced 3 hours ago
All·AI·Model

The AI Model Price Index

Nous: Hermes 4 405B

by Kilo Gateway · family nousresearch · listed Aug 2025R

Reasoning model for deliberate analysis, multi-step problem solving, and tool use

Current rates USD per 1M tokens

Input$1.00
Output$3.00
Cache read—
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.435 per 1M tokens$0.435Gemini 3.7 FlashGemini 3.7 Flash: $0.75 per 1M tokens$0.75Nous: Hermes 4 405BNous: Hermes 4 405B: $1.00 per 1M tokens$1.00Mistral Medium 3.5Mistral Medium 3.5: $1.50 per 1M tokens$1.50Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00GPT-5.6 SolGPT-5.6 Sol: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4 ProDeepSeek V4 Pro: $0.87 per 1M tokens$0.87Nous: Hermes 4 405BNous: Hermes 4 405B: $3.00 per 1M tokens$3.00Gemini 3.7 FlashGemini 3.7 Flash: $3.75 per 1M tokens$3.75Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00Mistral Medium 3.5Mistral Medium 3.5: $7.50 per 1M tokens$7.50Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00GPT-5.6 SolGPT-5.6 Sol: $30.00 per 1M tokens$30.00

On the record

Model id
nousresearch/hermes-4-405b
Context window
131K tokens
Max output
26K tokens
Input modalities
text
Output modalities
text
Reasoning
yes
Tool calls
no
Open weights
no
Knowledge cutoff
—
Released
2025-08-26
Last updated
2025-08-26
Provider docs
kilo.ai

Back of the envelope

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