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gpt-5.1-codex API price — 3 gateways compared

from $1.25 per million input tokens · same price on every gateway · updated hourly

Gateway$ in /MTok$ out /MTok ContextInput price historyModel ID
OpenRouter fees$1.25$10.00400,000openai/gpt-5.1-codex
Requesty$1.25$10.00400,000since 2026-08-20openai-responses/gpt-5.1-codex
Glama$1.25$10.00400,000since 2026-08-20openai/gpt-5.1-codex

Fees beyond the token price

Changelog for gpt-5.1-codex

gpt-5.1-codex pricing FAQ

How much does gpt-5.1-codex cost per million tokens?

The cheapest tracked gateway charges $1.25 per million input tokens and $10.00 per million output tokens (Glama). Prices refresh hourly.

Which gateway is cheapest for gpt-5.1-codex?

Glama for input tokens and Glama for output tokens, among the 3 gateways we track.

Do gpt-5.1-codex prices differ between gateways?

No — every tracked gateway currently charges the same per-token price, so the difference between them is fees and routing, not token cost.

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