Claude Sonnet 4.5 vs Xiaomi MiMo-V2.5-TTS-Series
Claude Sonnet 4.5 (2025) and Xiaomi MiMo-V2.5-TTS-Series (2026) are frontier reasoning models from Anthropic and Xiaomi. Claude Sonnet 4.5 ships a 200k-token context window, while Xiaomi MiMo-V2.5-TTS-Series ships a not-yet-sourced context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.
Xiaomi MiMo-V2.5-TTS-Series is safer overall; choose Claude Sonnet 4.5 when reasoning depth matters.
Decision scorecard
Local evidence first| Signal | Claude Sonnet 4.5 | Xiaomi MiMo-V2.5-TTS-Series |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | multimodal apps |
| Decision fit | Coding, RAG, and Agents | Vision |
| Context window | 200k | — |
| Cheapest output | $15/1M tokens | - |
| Provider routes | 8 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Claude Sonnet 4.5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Claude Sonnet 4.5 has broader tracked provider coverage for fallback and route flexibility.
- Claude Sonnet 4.5 uniquely exposes Vision, Reasoning, and JSON / Tool use in local model data.
- Local decision data tags Claude Sonnet 4.5 for Coding, RAG, and Agents.
- Local decision data tags Xiaomi MiMo-V2.5-TTS-Series for Vision.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Claude Sonnet 4.5
$6,150
Cheapest tracked route/tier: Microsoft Foundry
Xiaomi MiMo-V2.5-TTS-Series
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Claude Sonnet 4.5 and Xiaomi MiMo-V2.5-TTS-Series; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Reasoning, and JSON / Tool use before moving production traffic.
- No overlapping tracked provider route is sourced for Xiaomi MiMo-V2.5-TTS-Series and Claude Sonnet 4.5; plan for SDK, billing, or endpoint changes.
- Claude Sonnet 4.5 adds Vision, Reasoning, and JSON / Tool use in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-09-29 | 2026-04-23 |
| Context window | 200k | — |
| Parameters | — | — |
| Architecture | Decoder Only | - |
| License | Proprietary | Proprietary |
| Openness | Proprietary | Proprietary |
| Weights | Not released | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | 2025-12 | - |
Pricing and availability
| Pricing attribute | Claude Sonnet 4.5 | Xiaomi MiMo-V2.5-TTS-Series |
|---|---|---|
| Input price |
| - |
| Output price |
| - |
| Providers |
Capabilities
| Capability | Claude Sonnet 4.5 | Xiaomi MiMo-V2.5-TTS-Series |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | Yes |
| Reasoning | Yes | No |
| JSON / Tool use | Yes | No |
| Structured outputs | Yes | No |
| 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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Popular comparisons for Claude Sonnet 4.5
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Last reviewed: 2026-07-26. Data sourced from public model cards and provider documentation.