Serenities AI™

GPT-5.2 vs MiMo V2 Flash

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

GPT-5.2 by OpenAI wins on 5 of 7 benchmarks against MiMo V2 Flash by Xiaomi, which leads on 2. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

Coding: In coding, GPT-5.2 scores 1173 on Design Arena ELO compared to MiMo V2 Flash's 1166, while MiMo V2 Flash scores 1209 on Website Arena ELO compared to GPT-5.2's 1167.

Reasoning: In reasoning, GPT-5.2 scores 87.9% on GPQA Diamond compared to MiMo V2 Flash's 81.6%, while GPT-5.2 scores 73.3% on τ²-Bench Airline compared to MiMo V2 Flash's 68.5%.

Context: In context, GPT-5.2 scores 400K on Context Length compared to MiMo V2 Flash's 256K.

Speed Comparison

GPT-5.2 generates output at 90 tok/s compared to MiMo V2 Flash's 155 tok/s, and the time to first token is 380 ms for GPT-5.2 versus 1180 ms for MiMo V2 Flash. MiMo V2 Flash delivers faster throughput.

Verdict

MiMo V2 Flash leads across the board in speed, making it the stronger overall choice in this comparison.

View Individual Model Pages

GPT-5.2 vs MiMo V2 Flash — FAQ

Which is better, GPT-5.2 or MiMo V2 Flash?

GPT-5.2 wins on more benchmarks overall (5 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.

How does GPT-5.2 compare to MiMo V2 Flash for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is GPT-5.2 cheaper than MiMo V2 Flash?

Complete pricing data is not available for both models. Check the pricing section of the comparison above for available cost information.

Which is faster, GPT-5.2 or MiMo V2 Flash?

MiMo V2 Flash is faster, generating output at 155 tok/s compared to 90 tok/s. Faster output speed means shorter wait times for API responses.

What benchmarks does the GPT-5.2 vs MiMo V2 Flash comparison cover?

This comparison covers 7 benchmarks including GPQA Diamond, Output Speed, Time to First Token, Context Length, Design Arena ELO, τ²-Bench Airline, Website Arena ELO. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.