Compare / head-to-head
Grok 4.20 ReasoningvsQwen3.6 27B
Grok 4.20 Reasoning leads 3 of 3 shared benchmarks. Grok 4.20 Reasoning has the larger context window (1M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
3 – 0
Grok 4.20 Reasoning leads
Cheaper per token
—
list price, input + output
Larger context
Grok 4.20 Reasoning
1M tokens
Provider uptime (30d)
— · —
xAI · Qwen
Grok 4.20 Reasoning
xAI · released 2026-03-09
textvision
Qwen3.6 27B
Qwen · released 2026-04-21
textvision
- Context
- 262K
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 6 · 5 core
Quality
Benchmark matrix
3 shared · 2 only Grok 4.20 Reasoning · 2 only Qwen3.6 27B| Benchmark | Grok 4.20 Reasoning | Qwen3.6 27B | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| GPQA Diamond | 89.3% ↗epoch | 87.8% ↗ | +1.5 pt | Grok 4.20 Reasoning |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 44.9% ↗epoch | 35.1% ↗epoch | +9.8 pt | Grok 4.20 Reasoning |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 92.2% ↗epoch | 91.1% ↗epoch | +1.1 pt | Grok 4.20 Reasoning |
| Only Grok 4.20 Reasoning reports · 2 | ||||
| FrontierMath Tier 4 v2 (Epoch AI run) | 17.1% ↗epoch | not reported | — | — |
| SimpleQA Verified | 30.2% ↗epoch | not reported | — | — |
| Only Qwen3.6 27B reports · 2 | ||||
| SWE-bench Verified | not reported | 77.2% ↗ | — | — |
| MMLU-Pro | not reported | 86.2% ↗ | — | — |
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 Qwen3.6 27B 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 | Qwen3.6 27B | Edge |
|---|---|---|---|
| Context window | 1M tokens | 262K tokens | Grok 4.20 Reasoning |
| 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 | 2026-04-21 | — |
| Cited benchmark scores | 5 | 6 | — |
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
Qwen3.6 27B 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 Qwen3.6 27B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.