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All comparisons

GPT-5.2 vs Claude Opus 4.6

Side-by-side comparison of specifications, capabilities, and pricing.

Released2025-12-112026-02-05
Context window256K1M
Parameters
Architecturedecoder onlydecoder only
LicenseProprietaryProprietary
Knowledge cutoff2025-12

Capabilities

Vision
Multimodal
Reasoning
Function calling
Tool use
Structured Outputs
Code execution

Availability

Providers

Benchmarks

SWE-bench Verified80.080.8SWE-bench Pro48.345.2Google-Proof Q&A—84.2