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 TNG: DeepSeek R1T2 Chimera
DeepSeek: DeepSeek V3.1 Terminus wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
DeepSeek-TNG-R1T2-Chimera is the second-generation Chimera model from TNG Tech. It is a 671 B-parameter mixture-of-experts text-generation model assembled from DeepSeek-AI’s R1-0528, R1, and V3-0324 checkpoints with an Assembly-of-Experts m…
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V3.1 Terminus | TNG: DeepSeek R1T2 Chimera | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 164K | 164K | Tie |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.21 | $0.30 | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.79 | $1.10 | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
| 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 TNG: DeepSeek R1T2 Chimera?
DeepSeek: DeepSeek V3.1 Terminus 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 TNG: DeepSeek R1T2 Chimera?
Input: $0.21 vs $0.30 per 1M tokens. Output: $0.79 vs $1.10 per 1M tokens.
What context windows do DeepSeek: DeepSeek V3.1 Terminus and TNG: DeepSeek R1T2 Chimera support?
DeepSeek: DeepSeek V3.1 Terminus supports up to 164K tokens. TNG: DeepSeek R1T2 Chimera supports up to 164K tokens.
Do both DeepSeek: DeepSeek V3.1 Terminus and TNG: DeepSeek R1T2 Chimera support tool calling?
DeepSeek: DeepSeek V3.1 Terminus: yes. TNG: DeepSeek R1T2 Chimera: yes.