XIMiMo-V2.5-Pro Open vs 
GPT-4 Paid
MiMo-V2.5-Pro vs GPT-4 compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$0.87 /M outputNo per-token fees if you self-host
$60 /M outputManaged API (no infra to run)
MiMo-V2.5-Pro vs GPT-4 specs
| Spec | MiMo-V2.5-Pro | GPT-4 | Winner |
|---|---|---|---|
| Maker | Xiaomi | OpenAI | – |
| Type | Open-weight | Proprietary | XIMiMo-V2.5-Pro |
| Context window | 1.1M tokens | 8K tokens | XIMiMo-V2.5-Pro |
| Input price | $0.44/M · free self-host | $30/M | XIMiMo-V2.5-Pro |
| Output price | $0.87/M · free self-host | $60/M | XIMiMo-V2.5-Pro |
| Vision / multimodal | No | No | – |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | Yes | No (API only) | XIMiMo-V2.5-Pro |
| License | Open weights | Proprietary | XIMiMo-V2.5-Pro |
Price gap & when to choose each
MiMo-V2.5-Pro is ~69× cheaper than GPT-4 on output tokens ($0.87 vs $60 per M tokens).
- You want to self-host or run on your cloud
- You need the longer 1.1M context window
- You prioritize data privacy & control
- You want the lowest operating costs
- You are building open or reproducible AI
- You want frontier performance through a managed API
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | MiMo-V2.5-Pro | GPT-4 |
|---|---|---|
| Open weights (downloadable) | ✓ | ✗ |
| Self-hostable | ✓ | ✗ |
| Runs fully offline | ✓ | ✗ |
| Vision / multimodal | ✗ | ✗ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✓ | ✗ |
Benchmarks: MiMo-V2.5-Pro vs GPT-4
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How MiMo-V2.5-Pro and GPT-4 score
| Criterion | MiMo-V2.5-Pro | GPT-4 |
|---|---|---|
| Cost-efficiency | 5.0 | 2.0 |
| Context window | 5.0 | 2.0 |
| Openness | 5.0 | 1.5 |
| Self-hosting | 5.0 | 1.0 |
| Multimodality | 3.5 | 3.5 |
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....
GPT-4 Paid
OpenAI's flagship model, GPT-4 is a large-scale multimodal language model capable of solving difficult problems with greater accuracy than previous models due to its broader general knowledge and advanced reasoning...
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 GPT-4?
MiMo-V2.5-Pro is open-weight and competitive on many tasks, but GPT-4 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. GPT-4 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 $60/M for GPT-4 — roughly 69x cheaper via API, and free if you self-host.
MiMo-V2.5-Pro vs GPT-4 — 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 GPT-4 if you want frontier capability through a managed API with zero infrastructure to run.
People also compare
Explore more open-source AI
Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.
Open the leaderboard →