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Grok 4.20

OpenRouter

Grok 4.20 by OpenRouter costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 2M-token context window.

Pricing

Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$2.50
Cached input (per 1M)
$0.20

Specifications

Provider
OpenRouter
Context window
2M tokens
Parameters
500B
Released
Mar 2026
Open weights
No
Frontier model
No

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FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.