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 …
Model details →DeepSeek: DeepSeek V3.1 Terminus vs OpenAI: gpt-oss-safeguard-20b
OpenAI: gpt-oss-safeguard-20b wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
gpt-oss-safeguard-20b is a safety reasoning model from OpenAI built upon gpt-oss-20b. This open-weight, 21B-parameter Mixture-of-Experts (MoE) model offers lower latency for safety tasks like content classification, LLM filtering, and trust…
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V3.1 Terminus | OpenAI: gpt-oss-safeguard-20b | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 164K | 131K | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.21 | $0.07 | 🏆 OpenAI: gpt-oss-safeguard-20b |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.79 | $0.30 | 🏆 OpenAI: gpt-oss-safeguard-20b |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is DeepSeek: DeepSeek V3.1 Terminus better than OpenAI: gpt-oss-safeguard-20b?
OpenAI: gpt-oss-safeguard-20b wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between DeepSeek: DeepSeek V3.1 Terminus and OpenAI: gpt-oss-safeguard-20b?
Input: $0.21 vs $0.07 per 1M tokens. Output: $0.79 vs $0.30 per 1M tokens.
What context windows do DeepSeek: DeepSeek V3.1 Terminus and OpenAI: gpt-oss-safeguard-20b support?
DeepSeek: DeepSeek V3.1 Terminus supports up to 164K tokens. OpenAI: gpt-oss-safeguard-20b supports up to 131K tokens.
Do both DeepSeek: DeepSeek V3.1 Terminus and OpenAI: gpt-oss-safeguard-20b support tool calling?
DeepSeek: DeepSeek V3.1 Terminus: yes. OpenAI: gpt-oss-safeguard-20b: yes.