Thinking-enabled DeepSeek-V3.1-Terminus with improved language consistency, upgraded Code/Search Agents, and stronger stability and reliability versus V3.1. FP8.
Context Window
128.0K
Max Output
65.5K
Avg output tokens (7d)
265 tokens
Input Price (Auto)
$0.25/1M
Output Price (Auto)
$0.70/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
14.8
Coding Index
43.5
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
2.7%
Better than 23% of models compared
AA-Briefcase
Agentic knowledge work (Elo)
457 Elo
Better than 21% of models compared
GDPval-AA v2
Economically valuable tasks (Elo)
698 Elo
Better than 33% of models compared
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
5.4%
Better than 26% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
69.3%
Better than 61% of models compared
Reasoning
HLE
Humanity's Last Exam
16.4%
Better than 64% of models compared
IFBench
Instruction-following benchmark
57.0%
Better than 68% of models compared
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
0.0%
Better than 16% of models compared
SciCode
Python programming for scientific computing
38.0%
Better than 19% of models compared
LiveCodeBench
Contamination-free coding benchmark
79.8%
Better than 92% of models compared
Math
AIME 2025
American Invitational Mathematics Examination 2025
89.7%
Better than 90% of models compared
Knowledge
MMLU-Pro
Professional and academic subject knowledge
85.1%
Better than 91% of models compared
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
79.2%
Better than 66% of models compared
Terminal-Bench Hard (legacy)
Agentic coding and terminal use
30.3%
Better than 72% of models compared
T²-Bench Telecom (legacy)
Conversational AI agents in dual-control scenarios
37.1%
Better than 45% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
69.3%
Better than 61% of models compared
Last updated Oct 2, 2026
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