Nous: Hermes 4 405B

Nous Research·Released 2025-08-26

Open Source131K ctx

Compare Try via OpenRouter

Price/1M

$1.50

519th cheapest

384% above median

Top 77%

Context Window

131K

145th largest

Top 63%

Pricing

Input

$1.00

per 1M tokens

Output

$3.00

per 1M tokens

Blended

$1.50

per 1M tokens

Cheaper than 23% of models. Median price is $0.31/1M tokens.

Cost Calculator

Tokens per day1M

100K100M

Daily

$1.50

Monthly

$45.00

vs. Similar Models

Hermes 4 - Llama-3.1 405B (Reasoning)

$1.500%

Hermes 4 - Llama-3.1 405B (Non-reasoning)

$1.500%

Mistral Small (Feb '24)

$1.500%

Arcee AI: Maestro Reasoning

$1.500%

Performance

Context Window

131K

tokens

Larger than 37% of models

Context Window Comparison

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Open Source

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