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DeepSeek · Deprecated

DeepSeek-V3.1-Terminus

deepseek family · launched 2025-06-01

ReasoningToolsStructuredOpen weights
AITopic score47.6Not yet ranked

DeepSeek chat model for instruction following, coding, and analysis

Evidence coverage5%1 evaluations · 1 institutions
Context / maximum output128k / 8.2ktokens
Cache / input / output— · $0.27 · $1USD per million tokens
Value / freshness57.8 / 34relative value · release freshness
Product profile

What this model supports

Inputtext
Outputtext
Knowledge cutoff2025-03-31
WeightsOpen weights
Capability profile

Strengths by domain

Coding—0 public results
Research & reasoning—0 public results
Professional work—0 public results
Knowledge & instruction—0 public results
Behind the score

Every result has a source

Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.

Human preference & indices2 results

AA IndexArtificial Analysis61.45 indexReading 47.5

Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: DeepSeek-V3.1-TerminusOpen evidence
Arena TextLMArena1,417.1 EloReading 47.5

Direct LMArena text leaderboard result.

Open evidence
Same builder

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