Name: DeepSeek V3.1
Brand: DeepSeek

DeepSeek V3.1 is DeepSeek's language model with a 164K context window and up to 66K output tokens, available from 14 providers, starting at $0.135 / 1M input and $0.500 / 1M output. An incremental update to DeepSeek V3 with improved reasoning and tool-use capabilities, maintaining the 671B MoE architecture.

Specifications
Canonical ID	`deepseek-v3-1`
Type	Language
Status	Active
Creator	DeepSeek
Providers	Alibaba Cloud / Qwen Deep Infra Fireworks AI Google Gemini Google Vertex AI Hugging Face Novita AI OpenRouter other/baseten other/wandb Replicate SambaNova Together AI Vercel AI Gateway
Context Window	164K tokens
Max Output	66K tokens
Input Modalities	PdfText
Output Modalities	Text
Reasoning Efforts	default
Parameters	685B
HuggingFace Likes	819
HuggingFace Downloads (30d)	146,327
HuggingFace Downloads (all-time)	1,697,072
Release Date	2025-12-08 · 5 months ago

Benchmarks
Intelligence Index	28.1 #141
Coding Index	28.4 #113
Math Index	49.7 #133
MMLU-Pro	0.8 #52
GPQA	0.7 #149
HLE	0.1 #205
LiveCodeBench	0.6 #114
IFBench	0.4 #244
Time to First Token	0.00s #63
SciCode	0.4 #138
AIME 2025	0.5 #133
LCR	0.5 #144
TerminalBench Hard	0.2 #111
TAU2	0.3 #192
Output TPS	0.0 #333

Capabilities

Input2/5

Text✓

Image·

Audio·

Video·

PDF✓

Output1/5

Text✓

Image·

Audio·

Video·

Embedding·

Capabilities7/13

Reasoning✓

Adaptive Reasoning·

Function Calling✓

Parallel Function Calling✓

Structured Outputs✓

Native JSON Schema✓

Web Search·

URL Context·

Computer Use·

Code Execution·

File Search·

Prompt Caching✓

Assistant Prefill✓

Pricing by Provider

Provider	Standard				Batch
Provider	Input $ / 1M	Output $ / 1M	Cache Read $ / 1M	Cache Write $ / 1M	Input $ / 1M	Output $ / 1M
OpenRouter nex-agi/deepseek-v3.1-nex-n1	$0.135	$0.500	N/A	N/A	—	—
DeepInfra deepinfra/deepseek-ai/DeepSeek-V3.1	$0.270	$1.00	$0.216	N/A	—	—
Novita novita/deepseek/deepseek-v3.1	$0.270	$1.00	$0.135	N/A	—	—
Other/Baseten baseten/deepseek-ai/DeepSeek-V3.1	$0.500	$1.50	N/A	N/A	—	—
Fireworks AI fireworks_ai/accounts/fireworks/models/deepseek-v3p1	$0.560	$1.68	N/A	N/A	—	—
Vercel AI Gateway deepseek/deepseek-v3.1	$0.560	$1.68	$0.280	N/A	—	—
Alibaba Qwen deepseek-v3.1685	$0.574	$1.72	N/A	N/A	$0.287	$0.861
Google Gemini deepseek-v3-1-maas	$0.600	$1.70	N/A	$0.060	$0.300	$0.850
Hugging Face together_ai:deepseek-ai/DeepSeek-V3.1	$0.600	$1.70	N/A	N/A	—	—
Together AI together_ai/deepseek-ai/DeepSeek-V3.1	$0.600	$1.70	N/A	N/A	—	—
Replicate replicate/deepseek-ai/deepseek-v3.1	$0.672	$2.02	N/A	N/A	—	—
Google Vertex AI deepseek-v3-1-maas	$1.35	$5.40	N/A	$0.060	$0.300	$0.850
SambaNova sambanova/DeepSeek-V3.1	$3.00	$4.50	N/A	N/A	—	—
Other/Wandb wandb/deepseek-ai/DeepSeek-V3.1	$55.00	$165.00	N/A	N/A	—	—

Cost Calculator

Preset:

Input tokens

Output tokens

Cached tokens

Reasoning tokens

Number of calls

Compares every provider & tier in USD

Versions

Version	Released	Context	Input / 1M	Output / 1M	Status
DeepSeek V3.1	2025-12-08	164K	$0.135	$0.500	Current
DeepSeek V3.1 Terminus	2025-09-22	164K	$0.270	$0.950	Available
DeepSeek V3.1	2025-08-21	164K	$0.150	$0.750	Available
DeepSeek V3 0324	2025-03-24	164K	$0.200	$0.770	Available
DeepSeek V3	2024-12-26	400K	$0.200	$0.200	Available
DeepSeek V3 324	—	164K	$0.200	$0.400	Available
DeepSeek Prover V2	—	164K	$1.20	$1.20	Available
Kimi K2 Instruct	—	262K	$0.500	$2.00	Available
DeepSeek R1 528	2025-05-28	164K	$0.200	$0.250	Available
DeepSeek R1	2025-01-20	164K	$0.280	$0.400	Available
DeepSeek R1 Basic	—	128K	$0.550	$2.19	Available

DeepSeek V3.1

Capabilities

Pricing by Provider

Cost Calculator

Versions

Model IDs