deepseek-v3.1-terminus

1415 Score third-party Elo · arena.ai / LMArena ?

DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-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...

LLM & Generative AI 1 model 3 listings snapshot Oct 14, 2026, 12:53 AM

Platforms

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Cheapest OpenRouter no official benchmark Input$0.270 Output$1.00 per 1M tokens Fastest OpenRouter lowest p50 latency on this board 128.1 ms p50 Most free quota — largest published free allowance — free tier

Model variants

W3r9 dedup — same model + identical tags merge; prices are listed per billing form

Model	Provider	Tags	Input /1M	Output /1M
deepseek/deepseek-v3.1-terminus	OpenRouter	160k contextreasoning	$0.270	$1.00
vanchin/deepseek-v3.1-terminus	DashScope	160k contextreasoning	$0.593	$1.78
siliconflow/deepseek-v3.1-terminus	DashScope	160k contextreasoning	$0.593	$1.78

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

website 1189 · 56.4% wr
uicomponent 1184 · 59.5% wr
codecategories 1178 · 56.0% wr
dataviz 1169 · 53.4% wr
3d 1142 · 56.0% wr
gamedev 1135 · 52.5% wr
svg 1064 · 50.1% wr

Input / Output modalities modality: text->text

text in+out

Platform details

per provider

provider	model	Input /1M	Output /1M	Latency ?	Official $/1M	Availability	Data time
DashScope	siliconflow/deepseek-v3.1-terminus	$0.593	$1.78	—	—	—	2026-10-14 00:53:13
OpenRouter	deepseek/deepseek-v3.1-terminus	$0.270	$1.00	128.1 ms	—	100% available	2026-10-14 00:43:21

2 rows · snapshot 2026-10-14 00:53:13 · from data/public/prices.json + measurements.json