Pricingby GlyphDeepSeek V3.1 Terminus
DeepSeek · Open weights · 164K context · released Sep 22, 2025 · checked 19h ago
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
Ways to buy 1
| Way to buy | Input | Output | In / out per 1M | Cached | Vs cheapest |
|---|---|---|---|---|---|
fp8 | $0.27 | $1 | $0.27 / $1Cheapest | n/a | Cheapest |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $47.00 direct.
Helicone$47.00+0%
Kong AI Gateway$47.00+0%
LiteLLM$47.00+0%
Eden AI$49.59+5.5%
OpenRouter$49.59+5.5%
Cloudflare AI GatewayNot offeredNot offered
Neon AI GatewayNot offeredNot offered
RequestyNot offeredNot offered
TrueFoundry AI GatewayNot offeredNot offered
Vercel AI GatewayNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey.
Related models
| In / out per 1M | Cheapest route | |||||||
|---|---|---|---|---|---|---|---|---|
DeepSeek · 1MCheapest: $0.081 on Particle AI (us-flex) | $0.15 | $0.6 | $0.15 / $0.6 | $0.262 | 1M | $0.081 on Particle AI (us-flex) | · | DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the deepseek-flash API model name. |
DeepSeek · 1M | $0.045 | $0.3 | $0.045 / $0.3 | $0.109 | 1M | on InferenceNet (fp8) | · | DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. |
DeepSeek · 1M | $0.44 | $1.32 | $0.44 / $1.32 | $0.66 | 1M | on DeepInfra (fp8) | · | DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of DeepSeek V4 Flash 0731 from DeepSeek, adding image understanding while matching the base model on text capabi |
DeepSeek · 1M | $0.66 | $1.98 | $0.66 / $1.98 | $0.99 | 1M | Lab list price | · | DeepSeek V4 Pro 0813 is a large-scale mixture-of-experts model from DeepSeek. |
Z.ai · 1M | $0.179 | $1.4 | $0.179 / $1.4 | $0.484 | 1M | on Wafer (fp4) | · | GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. |
Z.ai · 1M | $0.37 | $1.25 | $0.37 / $1.25 | $0.59 | 1M | Lab list price | · | GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text. |
 Titan Multimodal Embeddings G1Amazon Nova · 0K | $0.8 | Free | $0.8 / Free | $0.6 | 0K | Lab list price | · | Amazon Titan Multimodal Embeddings G1 embeds text, images, or text and image together into a shared vector space for multimodal search and recommendation. |
Cohere · 192K | $0.3 | $1.5 | $0.3 / $1.5 | $0.6 | 192K | Lab list price | · | Command A+ is Cohere's flagship model for enterprise agentic workflows. |
About DeepSeek V3.1 Terminus
Takes text in and returns text. First listed Sep 23, 2026. Up to 147K output tokens. Blended price $0.453 per 1M tokens at 3 input to 1 output. Model id deepseek-v3-1-terminus.
Price history
No list-price history: this model is sold by hosts rather than its lab.
Questions
How much does DeepSeek V3.1 Terminus cost?
$0.27 per million input tokens and $1 per million output tokens.
What is the context window of DeepSeek V3.1 Terminus?
164K tokens, with up to 147K tokens of output.
Has DeepSeek V3.1 Terminus's price changed?
Yes. The output price went from $0.95 to $1, first seen Oct 2, 2026.