LLM Reference
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Claude Opus 4.6 vs DeepSeek R1

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

Released2026-02-052025-01-20
Context window200K128K
Parameters671B, 37B Active
Architecturedecoder onlydecoder only
LicenseProprietaryUnknown
Knowledge cutoff2025-12

Capabilities

Multimodal
Function calling
Tool use
JSON mode

Availability

Providers