Openai
OpenAI: GPT-5.5 Pro
Openai
Input / M
Routed + Vendor
Output / M
Context
Max Output
128K
Usage
Unranked
Quality
Unscored
Providers
1
Best Uptime 30m
100.00%
Released
April 24, 2026
Modalities
file, image, text
Vendor-direct listin $30.00 · out $180.00Vendor list price (AWS Bedrock / Google Vertex / Azure / OpenAI-direct). No live telemetry.Markup 0.0%
About
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for.
Capabilities
Vision
Tools
Reasoning
Streaming
JSON Mode
Host offerings
Per-host pricing, uptime, latency
No host data yet — will populate on next sync.
Price History
0 recorded changes
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Activity Timeline
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Versus
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Markdown
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<a href="https://whatmodel.app/models/5d3cea6f-0165-4b5f-abb8-79660ee75389"><img src="https://whatmodel.app/api/public/embed/score/5d3cea6f-0165-4b5f-abb8-79660ee75389" alt="OpenAI: GPT-5.5 Pro WM Score" height="26" /></a>Image URL
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