Is GPT-5.5 out yet?
Yes.
How we confirmed it
Released via official access
April 23, 2026 at 12:00 AM UTC
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Benchmarks
Agentic#2
GPT-5.5 · via BenchLM.ai · captured Jul 2, 2026 · source
96.6
FrontierCode Diamond
GPT-5.5 · via Epoch AI · captured Jul 2, 2026 · source
6.3
GDP.pdf
GPT-5.5 (xHigh reasoning) · via Epoch AI · captured Jul 2, 2026 · source
25
Sourced metrics mirrored with attribution — not community sentiment.
Data from BenchLM.ai.
Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0).
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Model Pulse
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Community consensus
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Compare GPT-5.5 with another model →
Also waiting on: ChatGPT 5.6, Gemini 3.5 Pro, Claude Fable 5.1, Claude Mythos 5.1
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