deepseek
DeepSeek V3.1 Terminus
DeepSeek-V3.1-Terminus delivers more stable & reliable outputs across benchmarks compared to the previous version and addresses user feedback (i.e. language consistency and agent upgrades).
Replaces DeepSeek V3.1: input $0.2625 → $0.2835 per 1M (+8%), output $0.9975 → $1.05 per 1M (+5%), context 164K → 131K, max output 128K → 66K.
const response = await fetch('https://api.minirouter.sh/v1/chat/completions', { method: 'POST', headers: { Authorization: `Bearer ${process.env.MINIROUTER_KEY}`, 'Content-Type': 'application/json', }, body: JSON.stringify({ model: 'deepseek/deepseek-v3.1-terminus', messages: [{ role: 'user', content: 'Why is the sky blue?' }], }),}) const data = await response.json()console.log(data.choices[0].message.content)Overview
- Model type
- language
- Context window
- 131,072
- Maximum output
- 65,536
- Input / 1M tokens
- $0.2835
- Output / 1M tokens
- $1.05
- Released
- 2025-09-22
Prices include the MiniRouter fee. Compatibility snapshot: 2026-08-06. Input: text. Output: text.
Endpoints
/v1/chat/completions/v1/messages/v1/responsesPlatform-funded routing only. Caller BYOK credentials and OIDC-based upstream authentication are intentionally excluded; authenticate with a MiniRouter bearer key.
Captured parameters: max_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning.
API
Use the setup panel above to switch between Chat Completions, Messages, and client configurations. Every snippet keeps the model ID unchanged.
https://api.minirouter.sh/v1deepseek/deepseek-v3.1-terminusProviders
MiniRouter selects from the configured routes below. Priority is the catalog order, not a latency or availability score.
| Provider | Priority | Input / 1M | Output / 1M | Parameters | Access |
|---|---|---|---|---|---|
vercel | 1 | $0.2835 | $1.05 | max_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning | MiniRouter balance |