Kimi K2 Instruct vs Xiaomi MiMo-V2.5
Kimi K2 Instruct (2025) and Xiaomi MiMo-V2.5 (2026) are frontier-tier reasoning models from Moonshot AI and Xiaomi. Kimi K2 Instruct ships a 131k-token context window, while Xiaomi MiMo-V2.5 ships a 1.05m-token context window. On pricing, Xiaomi MiMo-V2.5 costs $0.14/1M input tokens versus $0.57/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Xiaomi MiMo-V2.5 is ~307% cheaper at $0.14/1M; pay for Kimi K2 Instruct only for provider fit.
Decision scorecard
Local evidence first| Signal | Kimi K2 Instruct | Xiaomi MiMo-V2.5 |
|---|---|---|
| Best for | reasoning-heavy apps and provider-routed production | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | RAG, Long context, and Classification | RAG, Agents, and Long context |
| Context window | 131k | 1.05m |
| Cheapest output | $2.30/1M tokens | $0.28/1M tokens |
| Provider routes | 5 tracked | 2 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Kimi K2 Instruct has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Kimi K2 Instruct for RAG, Long context, and Classification.
- Xiaomi MiMo-V2.5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Xiaomi MiMo-V2.5 has the lower cheapest tracked output price at $0.28/1M tokens.
- Xiaomi MiMo-V2.5 uniquely exposes Vision, Multimodal, and JSON / Tool use in local model data.
- Local decision data tags Xiaomi MiMo-V2.5 for RAG, Agents, and Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Kimi K2 Instruct
$1,031
Cheapest tracked route/tier: Vercel AI Gateway
Xiaomi MiMo-V2.5
$182
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $849. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Kimi K2 Instruct and Xiaomi MiMo-V2.5; plan for SDK, billing, or endpoint changes.
- Xiaomi MiMo-V2.5 is $2.02/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Xiaomi MiMo-V2.5 adds Vision, Multimodal, and JSON / Tool use in local capability data.
- No overlapping tracked provider route is sourced for Xiaomi MiMo-V2.5 and Kimi K2 Instruct; plan for SDK, billing, or endpoint changes.
- Kimi K2 Instruct is $2.02/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-09-05 | 2026-04-22 |
| Context window | 131k | 1.05m |
| Parameters | 1T total, 32B active (MoE) | — |
| Architecture | Decoder Only | - |
| License | MITOSI-approved | Proprietary |
| Openness | Open source | Proprietary |
| Weights | Unknown | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: conditional |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Kimi K2 Instruct | Xiaomi MiMo-V2.5 |
|---|---|---|
| Input price | $0.57/1M tokens | $0.14/1M tokens |
| Output price | $2.30/1M tokens | $0.28/1M tokens |
| Providers |
Capabilities
| Capability | Kimi K2 Instruct | Xiaomi MiMo-V2.5 |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | Yes | Yes |
| JSON / Tool use | No | Yes |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.