XIMiMo-V2.5-Pro Open vs 
Claude Opus 5 (Fast) Paid
MiMo-V2.5-Pro vs Claude Opus 5 (Fast) compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.
Claude Opus 5 (Fast) — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
MiMo-V2.5-Pro vs Claude Opus 5 (Fast) specs
| Spec | MiMo-V2.5-Pro | Claude Opus 5 (Fast) |
|---|---|---|
| Maker | Xiaomi | Anthropic |
| Type | Open-weight | Proprietary |
| Context window | 1.1M tokens | 1M tokens |
| Input price | $0.44/M · free self-host | $10/M |
| Output price | $0.87/M · free self-host | $50/M |
| Vision / multimodal | No | Yes |
| Tool / function calling | Yes | Yes |
| Self-hostable | Yes | No (API only) |
| License | Open weights | Proprietary |
Feature comparison
| Capability | MiMo-V2.5-Pro | Claude Opus 5 (Fast) |
|---|---|---|
| Open weights (downloadable) | ✓ | ✗ |
| Self-hostable | ✓ | ✗ |
| Runs fully offline | ✓ | ✗ |
| Vision / multimodal | ✗ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✓ | ✓ |
Benchmarks: MiMo-V2.5-Pro vs Claude Opus 5 (Fast)
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How MiMo-V2.5-Pro and Claude Opus 5 (Fast) score
| Criterion | MiMo-V2.5-Pro | Claude Opus 5 (Fast) |
|---|---|---|
| Cost-efficiency | 5.0 | 2.0 |
| Context window | 5.0 | 5.0 |
| Openness | 5.0 | 1.5 |
| Self-hosting | 5.0 | 1.0 |
| Multimodality | 3.5 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
MiMo-V2.5-Pro Open
MiMo-V2.5-Pro is Xiaomi’s flagship model, delivering strong performance in general agentic capabilities, complex software engineering, and long-horizon tasks, with top rankings on benchmarks such as ClawEval, GDPVal, and SWE-bench Pro....
Claude Opus 5 (Fast) Paid
Fast-mode variant of [Opus 5](/anthropic/claude-opus-5) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 5. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
Is MiMo-V2.5-Pro as good as Claude Opus 5 (Fast)?
MiMo-V2.5-Pro is open-weight and competitive on many tasks, but Claude Opus 5 (Fast) may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.
Can I run MiMo-V2.5-Pro locally?
Yes. MiMo-V2.5-Pro has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Claude Opus 5 (Fast) is API-only and cannot be self-hosted.
How much cheaper is MiMo-V2.5-Pro?
MiMo-V2.5-Pro costs $0.87/M output vs $50/M for Claude Opus 5 (Fast) — roughly 57x cheaper via API, and free if you self-host.
MiMo-V2.5-Pro vs Claude Opus 5 (Fast) — which should I pick in 2026?
Choose MiMo-V2.5-Pro if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Claude Opus 5 (Fast) if you want frontier capability through a managed API with zero infrastructure to run.
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