OpenAI
GPT-5.5 Instant
GPT-5.5 Instant by OpenAI — compare inference API pricing across providers.
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API Pricing
No pricing data available for this model at the moment.
Prices updated daily. Last check: Aug 26, 2026
Performance & Benchmarks
Source: Artificial Analysis →Intelligence
34.3 / 100
Reasoning & Knowledge
- GPQA Diamond84.6%
- Humanity's Last Exam21.6%
Coding
- SciCode50.3%
Agentic & Tool Use
- Terminal-Bench Hard42.4%
- τ²-bench49.4%
Instruction & Long Context
- IFBench71.5%
- Long-Context Reasoning64.0%
Benchmarks measured Aug 2026. Scores are independent evaluations, not vendor-reported.
Model Details
General
- Creator
- OpenAI
- Modalities
- Text
Capabilities
- Tool Calling
- No
- Open Source
- No