LLM Reference
All comparisons

o1 (12-17) vs DeepSeek R1

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

Released2024-12-172025-01-20
Context window128K
Parameters671B, 37B Active
Architecturedecoder onlydecoder only
LicenseUnknownUnknown
Knowledge cutoff

Capabilities

Multimodal
Function calling
Tool use
JSON mode

Availability

Providers