GPT-4o Mini (07-18) vs Xiaomi MiMo-V2.5-Pro
GPT-4o Mini (07-18) (2024) and Xiaomi MiMo-V2.5-Pro (2026) are agentic coding models from OpenAI and Xiaomi. GPT-4o Mini (07-18) ships a 128K-token context window, while Xiaomi MiMo-V2.5-Pro ships a 1M-token context window. On pricing, GPT-4o Mini (07-18) costs $0.15/1M input tokens versus $1/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.
GPT-4o Mini (07-18) is ~567% cheaper at $0.15/1M; pay for Xiaomi MiMo-V2.5-Pro only for coding workflow support.
Decision scorecard
Local evidence first| Signal | GPT-4o Mini (07-18) | Xiaomi MiMo-V2.5-Pro |
|---|---|---|
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 128K | 1M |
| Cheapest output | $0.6/1M tokens | $3/1M tokens |
| Provider routes | 3 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- GPT-4o Mini (07-18) has the lower cheapest tracked output price at $0.6/1M tokens.
- GPT-4o Mini (07-18) has broader tracked provider coverage for fallback and procurement flexibility.
- GPT-4o Mini (07-18) uniquely exposes Vision and Code execution in local model data.
- Local decision data tags GPT-4o Mini (07-18) for Coding, RAG, and Agents.
- Xiaomi MiMo-V2.5-Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Xiaomi MiMo-V2.5-Pro uniquely exposes Function calling and Tool use in local model data.
- Local decision data tags Xiaomi MiMo-V2.5-Pro for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output prices on this page.
GPT-4o Mini (07-18)
$270
Cheapest tracked route: OpenAI API
Xiaomi MiMo-V2.5-Pro
$1,550
Cheapest tracked route: OpenRouter
Estimated monthly gap: $1,280. Batch, cache, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Xiaomi MiMo-V2.5-Pro is $2.4/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Vision and Code execution before moving production traffic.
- Xiaomi MiMo-V2.5-Pro adds Function calling and Tool use in local capability data.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- GPT-4o Mini (07-18) is $2.4/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Function calling and Tool use before moving production traffic.
- GPT-4o Mini (07-18) adds Vision and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-07-18 | 2026-04-22 |
| Context window | 128K | 1M |
| Parameters | — | 1T |
| Architecture | decoder only | mixture of experts |
| License | Proprietary | Proprietary |
| Knowledge cutoff | 2023-10 | - |
Pricing and availability
| Pricing attribute | GPT-4o Mini (07-18) | Xiaomi MiMo-V2.5-Pro |
|---|---|---|
| Input price | $0.15/1M tokens | $1/1M tokens |
| Output price | $0.6/1M tokens | $3/1M tokens |
| Providers |
Capabilities
| Capability | GPT-4o Mini (07-18) | Xiaomi MiMo-V2.5-Pro |
|---|---|---|
| Vision | Yes | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | Yes | Yes |
| Code execution | Yes | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: GPT-4o Mini (07-18), function calling: Xiaomi MiMo-V2.5-Pro, tool use: Xiaomi MiMo-V2.5-Pro, and code execution: GPT-4o Mini (07-18). Both models share structured outputs, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, GPT-4o Mini (07-18) lists $0.15/1M input and $0.6/1M output tokens, while Xiaomi MiMo-V2.5-Pro lists $1/1M input and $3/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts GPT-4o Mini (07-18) lower by about $1.31 per million blended tokens. Availability is 3 providers versus 1, so concentration risk also matters.
Choose GPT-4o Mini (07-18) when coding workflow support, lower input-token cost, and broader provider choice are central to the workload. Choose Xiaomi MiMo-V2.5-Pro when coding workflow support and larger context windows are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, GPT-4o Mini (07-18) or Xiaomi MiMo-V2.5-Pro?
Xiaomi MiMo-V2.5-Pro supports 1M tokens, while GPT-4o Mini (07-18) supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, GPT-4o Mini (07-18) or Xiaomi MiMo-V2.5-Pro?
GPT-4o Mini (07-18) is cheaper on tracked token pricing. GPT-4o Mini (07-18) costs $0.15/1M input and $0.6/1M output tokens. Xiaomi MiMo-V2.5-Pro costs $1/1M input and $3/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is GPT-4o Mini (07-18) or Xiaomi MiMo-V2.5-Pro open source?
GPT-4o Mini (07-18) is listed under Proprietary. Xiaomi MiMo-V2.5-Pro is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, GPT-4o Mini (07-18) or Xiaomi MiMo-V2.5-Pro?
GPT-4o Mini (07-18) has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for function calling, GPT-4o Mini (07-18) or Xiaomi MiMo-V2.5-Pro?
Xiaomi MiMo-V2.5-Pro has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run GPT-4o Mini (07-18) and Xiaomi MiMo-V2.5-Pro?
GPT-4o Mini (07-18) is available on OpenAI API, OpenRouter, and Replicate API. Xiaomi MiMo-V2.5-Pro is available on OpenRouter. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.