GPT-6 Astra vs Hermes 4 405B

Price, context window & benchmark comparison

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GPT-6 Astra

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
VS
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Hermes 4 405B

Nous Research
$1.00 / $3.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Hermes 4 405B is 13.3× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra has the larger context window (1.1M vs 131K).
GPT-6 AstraHermes 4 405B
Input price / 1M$10.00$1.00
Output price / 1M$50.00$3.00
Blended price (3:1)$20.00$1.50
Cached input / 1M$1.00
Context window1.1M131K
Max output128K118K
Intelligence index52.7
Coding index76.9
Providers6
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesNo
Released2026-09-042025-08-26
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FAQ

Which is cheaper, GPT-6 Astra or Hermes 4 405B?

Hermes 4 405B is 13.3× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.

GPT-6 Astra vs Hermes 4 405B: which has a bigger context window?

GPT-6 Astra: 1,050,000 tokens. Hermes 4 405B: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Astra ≈ $45,000, Hermes 4 405B ≈ $3,500.

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