OpenAI
GPT-5.5 Instant (June 2026)
Quality Score44.5
Value Score24.8
Reliability51.9
Cache Discount90%
Model specification
- Reasoning
- reasoning
- Input modalities
- text, image
- Output modalities
- text
- Context window
- 400k tokens
- Weights
- closed weights
Token prices USD per 1M tokens
- Input
- $5.00
- Output
- $30.00
- Cached Input
- $0.500
- Cached Output
- not available
- Cost per task
- $0.536
Capability
- Intelligence
- 29.2
- Coding
- 39.4
- Agentic
- 11.1
- Omniscience
- 3.7
- Correct
- 44.4%
- Blended price
- $4.35
Answer outcomes
Correct 44.4%Incorrect 40.7%Abstained 14.9%
Artificial Analysis benchmarks
- GDPval-AA v2
- 11%
- τ³-Banking
- 12%
- Terminal-Bench v2.1
- 35%
- SciCode
- 49%
- Humanity’s Last Exam
- 20%
- GPQA Diamond
- 82%
- CritPt
- 0%
- AA-Omniscience
- 52%
- AA-LCR
- 67%
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