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Grok 4 Fast ReasoningvsQwen3.6 35B-A3B

Qwen3.6 35B-A3B leads 1 of 1 shared benchmark. Grok 4 Fast Reasoning has the larger context window (2M tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0 – 1
Qwen3.6 35B-A3B leads
Cheaper per token
list price, input + output
Larger context
Grok 4 Fast Reasoning
2M tokens
Provider uptime (30d)
— · —
xAI · Qwen
Grok 4 Fast Reasoning
xAI · released 2025-09-19
text
Context
2M
Max out
Input /1M
$0.2
Output /1M
$0.5
Cached /1M
$0.05
Scores
12 · 4 core
textvision
Context
262K
Max out
Input /1M
Output /1M
Cached /1M
Scores
6 · 5 core
Quality

Benchmark matrix

BenchmarkGrok 4 Fast ReasoningQwen3.6 35B-A3BΔEdge
Reported by both · 1
GPQA Diamond85.7% 86% -0.3 ptQwen3.6 35B-A3B
Only Grok 4 Fast Reasoning reports · 11
AIME 202592% not reported
Humanity's Last Exam (no tools)20% not reported
BrowseComp44.9% not reported
BrowseComp (zh)51.2% not reported
HMMT 2025 (no tools)93.3% not reported
LiveCodeBench (Jan-May)80% not reported
Reka Research Eval66% not reported
Search Arena Elo1163 not reported
SimpleQA95% not reported
X Bench Deepsearch (zh)74% not reported
X Browse58% not reported
Only Qwen3.6 35B-A3B reports · 4
SWE-bench Verifiednot reported73.4%
MMLU-Pronot reported85.2%
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported17.5% epoch
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported86.7% epoch
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 Fast Reasoning minus Qwen3.6 35B-A3B 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

SpecGrok 4 Fast ReasoningQwen3.6 35B-A3BEdge
Context window2M tokens262K tokensGrok 4 Fast Reasoning
Max output
Input price / 1M$0.2
Output price / 1M$0.5
Cached input / 1M$0.05
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$0.7
Modalitiestexttext · visionQwen3.6 35B-A3B
Released2025-09-19
Cited benchmark scores126
Reliability

Provider status

All providers
More matchups

Grok 4 Fast Reasoning vs …

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Which one wins on your data?

Public benchmarks are a starting point. Run Grok 4 Fast Reasoning and Qwen3.6 35B-A3B on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.