GPT-5.5
OpenAI1.05M context
LMArena score 1471 · #28 overall · #32 in coding (2026-10-13)
Official price from OpenAI
Pricing pagePer million tokens
- Input
- $5.00
- Output
- $30.00
- Cached input
- $0.50
- Batch input / output
- $2.50 / $15.00
- Long prompts are priced higher above a context threshold; these are the starting prices.
- Up to 128K output tokens per request.
Estimate your monthly cost
Est. per month = input tokens × input price + output tokens × output price. Prices are per million tokens, so 10M input tokens at $3.00 cost $30.
From OpenAI: $110.00 a month.
Where to buy it (4)
Sorted by your monthly estimate. Prices per million tokens.
AIHubMix
- Input / output
- $5.00 / $30.00
- Context
- 1.05M
- Per month
- $110.00
aihubmix/gpt-5.5
Azure OpenAI
- Input / output
- $5.00 / $30.00
- Context
- 922K
- Per month
- $110.00
azure/gpt-5.5
Microsoft Foundry
- Input / output
- $5.00 / $30.00
- Context
- 922K
- Per month
- $110.00
azure_ai/gpt-5.5
OpenAIOfficial
- Input / output
- $5.00 / $30.00
- Context
- 1.05M
- Per month
- $110.00
gpt-5.5
Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling, Web search.