Model comparison
GPT-4o mini vs MiMo-V2-Flash
Head-to-head evidence from 9 shared benchmark results across 4 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: GPT-4o mini #192 (Supported); MiMo-V2-Flash #96 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. GPT-4o mini and MiMo-V2-Flash share 9 comparable benchmark results. 0 of 8 categories are comparable. 1 result is unique to GPT-4o mini; 10 to MiMo-V2-Flash.
Updated July 24, 2026- Shared results
- 9
- GPT-4o mini only
- 1
- MiMo-V2-Flash only
- 10
- Comparable categories
- 0 / 8
Benchmark data for GPT-4o mini and MiMo-V2-Flash is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 9 shared benchmark results across 4 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
GPT-4o mini is priced at $0.15 input / $0.60 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for MiMo-V2-Flash. MiMo-V2-Flash has the larger context window at 256K, compared with 128K for GPT-4o mini.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | GPT-4o mini | Δ | MiMo-V2-Flash |
|---|---|---|---|
| Coding | GPT-4o miniNot measured | MarginNo overlap | MiMo-V2-Flash73.4 |
| Knowledge | GPT-4o miniNot measured | MarginNo overlap | MiMo-V2-Flash84.7 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-4o mini | MiMo-V2-Flash | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-4o mini$0.15 input / $0.6 output | MiMo-V2-Flash$0 input / $0 output | MiMo-V2-Flash has the lower combined listed price. |
| Generation speedtokens per second | GPT-4o mini33 tok/s | MiMo-V2-Flash129 tok/s | MiMo-V2-Flash has the higher measured throughput. |
| First-answer latencyseconds to first token | GPT-4o mini3.16 s | MiMo-V2-Flash2.14 s | MiMo-V2-Flash reaches the first token sooner. |
| Context windowmaximum listed tokens | GPT-4o mini128K | MiMo-V2-Flash256K | MiMo-V2-Flash lists the larger context window. |
Benchmark Deep Dive
Agentic4 benchmarks
Coding3 benchmarks
Reasoning2 benchmarks
Knowledge8 benchmarks
| Benchmark | GPT-4o mini | MiMo-V2-Flash | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 6.9% | 24.7% | MiMo-V2-Flash leads |
| AA-GPQA DiamondSource | 42.6% | 65.6% | MiMo-V2-Flash leads |
| AA-HLESource | 4.0% | 8.0% | MiMo-V2-Flash leads |
| GPQASource | — | 83.7% | Not comparable |
| MMLU-ProSource | — | 84.9% | Not comparable |
| AA-Omniscience IndexSource | — | -48.5% | Not comparable |
| AA-Omniscience AccuracySource | — | 15.2% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 75.1% | Not comparable |
Math1 benchmarks
| Benchmark | GPT-4o mini | MiMo-V2-Flash | Result |
|---|---|---|---|
| AIME 2025Source | — | 94.1% | Not comparable |
Multimodal1 benchmarks
| Benchmark | GPT-4o mini | MiMo-V2-Flash | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 41.5% | — | Not comparable |
Inst. Following1 benchmarks
| Benchmark | GPT-4o mini | MiMo-V2-Flash | Result |
|---|---|---|---|
| AA-IFBenchSource | 31.0% | 39.9% | MiMo-V2-Flash leads |
Frequently Asked Questions (3)
Can I compare GPT-4o mini and MiMo-V2-Flash on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for GPT-4o mini and MiMo-V2-Flash today?
GPT-4o mini: $0.15 input / $0.60 output per 1M tokens MiMo-V2-Flash: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.