LLM ReferenceLLM Reference
All comparisons

Claude Opus 4.7 vs Grok 4 Heavy

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

Released2026-04-162025-07-09
Context window1M256k
Parameters
Architecturedecoder only
LicenseProprietaryProprietary
Knowledge cutoff2026-01

Capabilities

Vision
Multimodal
Reasoning
Function calling
Tool use
Structured Outputs
Code execution

Availability

Providers

Benchmarks

SWE-bench Pro64.339.8SWE-bench Verified87.6