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OpenAI · Active

gpt-5.5

gpt family · launched 2026-03-05

MultimodalReasoningTools
AITopic score66.1#26 overall

Frontier GPT model for professional reasoning, coding, and multimodal work

Evidence coverage3%1 evaluations · 1 institutions
Context / maximum output272k / 128ktokens
Cache / input / output$0.25 · $2.5 · $15USD per million tokens
Value / freshness50.4 / 60relative value · release freshness
Product profile

What this model supports

Inputtext, image
Outputtext
Knowledge cutoff2025-08-31
WeightsProprietary / hosted
Capability profile

Strengths by domain

Coding—0 public results
Research & reasoning—0 public results
Professional work—0 public results
Knowledge & instruction—0 public results
Behind the score

Every result has a source

Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.

Human preference & indices2 results

AA IndexArtificial Analysis66.82 indexReading 66.1

Imported from a directly fetched third-party leaderboard.

Configuration: gpt-5.5Open evidence
Arena TextLMArena1,466.8 EloReading 66.1

Direct LMArena text leaderboard result.

Open evidence
Same builder

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