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 MoonshotAI: Kimi K2 0905
DeepSeek: DeepSeek V3.1 Terminus wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32 billion active per forward pass.…
Model details →Side-by-side comparison
| Capability | DeepSeek: DeepSeek V3.1 Terminus | MoonshotAI: Kimi K2 0905 | 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 | $0.40 | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.79 | $2.00 | 🏆 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 | — | 🏆 DeepSeek: DeepSeek V3.1 Terminus |
Frequently asked questions
Is DeepSeek: DeepSeek V3.1 Terminus better than MoonshotAI: Kimi K2 0905?
DeepSeek: DeepSeek V3.1 Terminus wins on 4 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 MoonshotAI: Kimi K2 0905?
Input: $0.21 vs $0.40 per 1M tokens. Output: $0.79 vs $2.00 per 1M tokens.
What context windows do DeepSeek: DeepSeek V3.1 Terminus and MoonshotAI: Kimi K2 0905 support?
DeepSeek: DeepSeek V3.1 Terminus supports up to 164K tokens. MoonshotAI: Kimi K2 0905 supports up to 131K tokens.
Do both DeepSeek: DeepSeek V3.1 Terminus and MoonshotAI: Kimi K2 0905 support tool calling?
DeepSeek: DeepSeek V3.1 Terminus: yes. MoonshotAI: Kimi K2 0905: yes.