The Orchestrator › Models › DeepSeek
DeepSeek: DeepSeek V3.1 Terminus
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 optimizing the model's...
Specifications
| Provider | DeepSeek |
| Model ID | deepseek/deepseek-v3.1-terminus |
| Context window | 164K tokens (163,840) |
| Modalities | text → text |
| Tokenizer | DeepSeek |
| Router sources | OpenRouter, TrustedRouter |
| Released | 2025-09-22 |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | Supported |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | OpenRouter | deepseek/deepseek-v3.1-terminus | $0.27 | $1.00 | 164K |
| standard | TrustedRouter | deepseek/deepseek-v3.1-terminus | $0.301 | $1.06 | 164K |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $0.301 | $1.06 | 164K |
| 2026-11-14 | $0.27 | $1.00 | 164K |
Capabilities
Agentic tool useStructured outputsControllable reasoningNo content storage (attested)Zero data retention
Trust flags come from TrustedRouter's per-provider attestations.
Supported parameters
frequency_penalty, include_reasoning, max_tokens, reasoning, response_format, structured_outputs, temperature, tool_choice, tools, top_k, top_p