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All comparisons

GLM-5.1 vs Claude Opus 4.5

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

Released2026-03-272025-11-01
Context window200k200K
Parameters744B total, 40-44B active
Architecturemixture of expertsdecoder only
LicenseProprietaryProprietary
Knowledge cutoff2025-12

Capabilities

Vision
Multimodal
Reasoning
Function calling
Tool use
Structured Outputs
Code execution

Availability

Providers

Benchmarks

SWE-bench Pro58.441.8Google-Proof Q&A86.8—Massive Multi-discipline Multimodal Understanding—80.7BFCL—77.5MMLU PRO—88.9