Openai
OpenAI: GPT-5.5
openai/gpt-5.5
Score85
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Output / M
Context
Max Output
128K
Usage
#11 · 2.94%
Quality
88.6 / 100
Providers
2
Best Uptime 30m
99.82%
Released
Apr 24, 2026
Modalities
file, image, text
About
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
Capabilities
Vision
Tools
Reasoning
Streaming
JSON Mode
Providers
Per-provider pricing, uptime, latency
No provider data yet — will populate on next endpoints sync.
Benchmarks
Quality index 88.6 / 100
Design Arena
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1348.0
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1314.0
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1301.0
elo models uicomponent
1301.0
elo models codecategories
1296.0
elo models website
1289.0
elo models svg
1283.0
elo models 3d
1264.0
Artificial Analysis
intelligence index
54.8 / 100
coding index
74.9 / 100
agentic index
44.9 / 100
Performance History
53 snapshots
Price History
0 recorded changes
No price changes recorded yet.
Usage (OpenRouter)
Rank #11 of the market
2.94% share
Activity Timeline
- No events yet.
Versus
Nearest peers by price, context, and capabilities. One click to compare.
No comparable models found.
First seen 3d ago · Last verified 5m ago