GPT-5.5
openai / gpt-5-5 / official pricing
Context 1000k · Max output 128k · Released 2026-04-23 · Last verified 2026-06-12
Standard pricing (per 1M tokens)
| Tier | Input | Output |
|---|---|---|
| Standard | $5.00 | $30.00 |
Prompt caching
| Type | Price / 1M |
|---|---|
| Cache type | automatic |
| Cache read (hit) | $0.50 |
Want to model your real cache savings? Try the cache calculator with this model selected.
Batch API
- Input discount50%
- Output discount50%
- Stacks with cachingyes
See the batch decision tool for whether this fits your workload.
Capabilities
caching batch extended thinking tool use vision reasoning
Notes & extras
- Reasoning tokens: billed as output
Sources
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