MiMo-V2.5 vs GPT-5.2-Codex
Detailed technical comparison between MiMo-V2.5 (Xiaomi) and GPT-5.2-Codex (OpenAI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
MiMo-V2.5
1,050,000 tokensTie
Equal CapabilityTie
Equal SpeedMiMo-V2.5
$0.14 / MTokMiMo-V2.5
MiMo-V2.5 is a native omnimodal model by Xiaomi. It delivers Pro-level agentic performance at roughly half the inference cost, while surpassing MiMo-V2-Omni in multimodal perception across image and video understanding...
GPT-5.2-Codex
GPT-5.2-Codex is an upgraded version of GPT-5.1-Codex optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Technical Specifications
🏆 = Superior Spec| Specification | MiMo-V2.5 | GPT-5.2-Codex |
|---|---|---|
| Provider | Xiaomi | OpenAI |
| Context Window | 1,050,000 tokens🏆 | 400,000 tokens |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | managed api | managed api |
| Production Stability | Beta Access (est.) | Stable GA (est.) |
| API Available | Yes | Yes |
| Released Date | 2026-04-22 | 2026-01-14 |
API Pricing Comparison
Input Price per Million Tokens
MiMo-V2.5
$0.14
GPT-5.2-Codex
$1.75
Output Price per Million Tokens
MiMo-V2.5
$0.28
GPT-5.2-Codex
$14.00
💡 Cost Ratio: MiMo-V2.5 is 12.5x cheaper per input token than GPT-5.2-Codex.
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Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
MiMo-V2.5 Quirks & Gotchas
No developer gotchas reported.
GPT-5.2-Codex Quirks & Gotchas
No developer gotchas reported.
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