GPT-5.5
gpt-5.5 · openai
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Avg TTFT (ms, last 1h)
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Avg TPS (last 1h)
1,050,000
Context window
128,000
Max output tokens
Performance (last 24h, hourly)
No TTFT data in the last 24h.
No TPS data in the last 24h.
Pricing (USD / 1M tokens)
| Source | Input | Output | Cache read | Cache write |
|---|---|---|---|---|
| Our price | 0.8 | 4.2 | 0.1 | 0.0 |
| Official | 5.0 | 30.0 | — | — |
Capabilities
| Streaming | Vision | Tools | Prompt caching |
|---|---|---|---|
| ✓ | ✓ | ✓ | ✓ |