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DeepSeek-V3.1-Terminus

Available
DeepSeekOpen source

Stability update to V3.1 focused on language consistency, code-agent reliability, and search-agent behavior.

Specifications

License
Open source · MIT
Weights
Downloadable
Architecture
Mixture-of-Experts
Parameters
685B · 37B active
Context window
128K tokens
Max output
Knowledge cutoff
Price (in / out, $/M)
Modalities
TextCode

Benchmarks

GPQA Diamondself-reported
80.7%
source ↗
SWE-bench Verifiedself-reported
68.4%
source ↗

Vendor-reported figures are claims until independently verified. See methodology.