DeepSeek V3.1 Terminus
by DeepSeektext->text4 endpoints
Neura Intelligence Index
23.4/ 100
Rank
#265—
Confidence
lowBenchmarks
3(8% coverage)
Overview
DeepSeek-V3.1 Terminus is an update to DeepSeek V3.1 that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...
Capabilities
Text generation
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
Top-P sampling
Stop sequences
Deterministic seed
Modalities
Input
Text
Output
Text
Technical Specifications
Context Window
163.8K tokens
Max Output
32.8K tokens
Knowledge Cutoff
2025-03-31
Tokenizer
DeepSeek
Uptime (24h)
9999.5%
Parameters
671000000000B
Blended Cost
$0.4775/1M tokens
License
mit_+_model_license_(commercial_use_allowed)Open Weights
Country
🇨🇳CN
Model Family
DeepSeek V3
Release Date
December 25, 20241y
Supported Parameters
frequency_penaltyinclude_reasoninglogit_biasmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p
Benchmark Performance
general
| Benchmark | Score | Source |
|---|---|---|
| SimpleQA | 24.9 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 42 | verified |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 59.1 | verified |
Performance Over Time
Pricing
Per 1M tokens
Input$0.27
Output$1.00
Cache read$0.14
Added
September 22, 2025
Last synced 8/27/2026