DeepSeek V3.1
DeepSeek chat model for instruction following, coding, and analysis
- Price per 1M tokens
- $0.25 / $0.95 input / output · OpenRouter
- Context window
- 163.8K tokens in · 32.8K out
- Since the last one
- 150 days after DeepSeek V3 0324
Since DeepSeek V3 0324
8 releases in the DeepSeek V4 Preview line.
DeepSeek-V2.5Sep 5, 2024112dDeepSeek-V3Dec 26, 202488dDeepSeek V3 0324Mar 24, 2025150dDeepSeek V3.1Aug 21, 20250dDeepSeek-V3.1Aug 21, 202539dDeepSeek-V3.2-ExpSep 29, 202563dDeepSeek V3.2Dec 1, 2025
Released150 days later
Price in / out$0.25 / $0.95−15%
Context163.8Ksame
A newer release is out: DeepSeek V4 Preview.
BENCHMARKS
Not in the Epoch Capabilities Index. Epoch benchmarks what it can run, so this is a gap in coverage, not a poor result.
DeepSeek's past year
9 release days in the past year, about one every 41 days. The next is expected around Nov 25, 2026. Forecasts ↗
NovDecJanFebMarAprMayJunJulAugSepOctNov
Specifications
RELEASE DATEAug 21, 2025
WEIGHTSOpen weights
CONTEXT WINDOW163.8K
MAX OUTPUT32.8K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext
OUTPUTStext
Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.