Compare / head-to-head
Grok 4.20 ReasoningvsMiMo-V2.5
Grok 4.20 Reasoning and MiMo-V2.5 do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Both offer a 1M-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0
no overlap yet
Cheaper per token
—
list price, input + output
Larger context
Tie
both 1M tokens
Provider uptime (30d)
— · —
xAI · Xiaomi MiMo
Grok 4.20 Reasoning
xAI · released 2026-03-09
textvision
MiMo-V2.5
Xiaomi MiMo
textvision
- Context
- 1M
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 7 · 1 core
Quality
Benchmark matrix
0 shared · 5 only Grok 4.20 Reasoning · 7 only MiMo-V2.5| Benchmark | Grok 4.20 Reasoning | MiMo-V2.5 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 0 | ||||
| No public benchmark is reported for both models yet. | ||||
| Only Grok 4.20 Reasoning reports · 5 | ||||
| GPQA Diamond | 89.3% ↗epoch | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 17.1% ↗epoch | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 44.9% ↗epoch | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 92.2% ↗epoch | not reported | — | — |
| SimpleQA Verified | 30.2% ↗epoch | not reported | — | — |
| Only MiMo-V2.5 reports · 7 | ||||
| LMArena Elo | not reported | 1427.4 ↗ | — | — |
| ChartQA | not reported | 81.4% ↗ | — | — |
| DocVQA | not reported | 93.2% ↗ | — | — |
| InfoVQA | not reported | 72.7% ↗ | — | — |
| MMMU | not reported | 55.1% ↗ | — | — |
| MMMU-Pro | not reported | 38.5% ↗ | — | — |
| ScienceQA Visual | not reported | 97.5% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Grok 4.20 Reasoning minus MiMo-V2.5 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Grok 4.20 Reasoning | MiMo-V2.5 | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | — | — | — |
| Input price / 1M | $1.25 ↗ | — | — |
| Output price / 1M | $2.5 ↗ | — | — |
| Cached input / 1M | $0.2 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $3.75 | — | — |
| Modalities | text · vision | text · vision | Tie |
| Released | 2026-03-09 | — | — |
| Cited benchmark scores | 5 | 7 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Grok 4.20 Reasoning vs …
Models sharing the most benchmarksMore matchups
MiMo-V2.5 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Grok 4.20 Reasoning and MiMo-V2.5 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.