GPT-5.1 Instant vs MiMo-V2-Flash: Specs & Benchmark Comparison

CharacteristicGPT-5.1 InstantMiMo-V2-Flash
CompanyOpenAIXiaomi
Release DateNovember 11, 2025December 15, 2025
Parameters309B
MultimodalYesNo
Context (input)256K
Context (output)32K
Input Price / 1M$0.30
Output Price / 1M$1.20
Average Score0.90.9
Benchmarks
GPQA0.90.8
AIME 20250.90.9

Visual Benchmark Comparison

GPT-5.1 Instant
MiMo-V2-Flash
GPQA0.9 vs 0.8
0.9
0.8
AIME 20250.9 vs 0.9
0.9
0.9

Verdict

MiMo-V2-Flash leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GPT-5.1 Instant — 0.9, MiMo-V2-Flash — 0.9.

Recency

MiMo-V2-Flash is newer: released 12/15/2025 vs 11/11/2025.

More About These Models

Related Comparisons

The GPT-5.1 Instant and MiMo-V2-Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GPT-5.1 Instant or MiMo-V2-Flash page. See also the complete list of AI model comparisons.