gpudiff the public record of change in GPU cloud pricing
Follow the diffs: RSS · Free API · Sponsor this site

gpt-5.5 API price — 4 gateways compared

from $5.00 per million input tokens · same price on every gateway · updated hourly

Gateway$ in /MTok$ out /MTok ContextInput price historyModel ID
OpenRouter fees$5.00$30.001,050,000openai/gpt-5.5
Requesty$5.00$30.001,050,000since 2026-08-20openai-responses/gpt-5.5
Glama$5.00$30.001,050,000since 2026-08-20openai/gpt-5.5
Ramp Router fees$5.00$30.001,050,000since 2026-08-20gpt-5.5

Fees beyond the token price

Changelog for gpt-5.5

gpt-5.5 pricing FAQ

How much does gpt-5.5 cost per million tokens?

The cheapest tracked gateway charges $5.00 per million input tokens and $30.00 per million output tokens (Glama). Prices refresh hourly.

Which gateway is cheapest for gpt-5.5?

Glama for input tokens and Glama for output tokens, among the 4 gateways we track.

Do gpt-5.5 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.

← All LLM prices · API