OpenAI: GPT-5.5
openai/gpt-5.5
openaiTool callingReasoningImage input
Input
$5.00
Official vendor price / million tokens
Output
$30.00
Official vendor price / million tokens
Blended (coding)
$4.00
128K context · 10:1 · 80% cache hits
Uptime 7d
100%
Median across providers over the last 7 days
For requests over 272K context, the whole request is billed at the higher rate: input $10.00, output $45.00, cache read $1.00
Context
1.1M
Providers
2
Released
2026-04-24
Where to buy
Vendor APIs and common platforms. Prices are USD per million tokens.
| Provider | Input | Output | Cache read | Cache write | Uptime 7d |
|---|---|---|---|---|---|
| OpenAIOfficial | $5.00 | $30.00 | $0.500 | — | — |
| OpenRouterPlatformAggregates 7 providers | $5.50 | $33.00 | $0.500 | Free | 100% |