Compare / head-to-head

Claude Sonnet 5.5vsQwen3.6-Max-Preview

Claude Sonnet 5.5 leads 6 of 7 shared benchmarks. Qwen3.6-Max-Preview is 1.3x cheaper per token. Claude Sonnet 5.5 has the larger context window (1M tokens).

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

Shared benchmarks
6 – 1
Claude Sonnet 5.5 leads
Cheaper per token
Qwen3.6-Max-Preview
1.3x cheaper, input + output
Larger context
Claude Sonnet 5.5
1M tokens
Providers
2 providers
Anthropic · Qwen
Claude Sonnet 5.5
Anthropic · released 2026-09-28
textvision
Context
1M
Max out
128K
Input /1M
$2 ↗
Output /1M
$10 ↗
Cached /1M
$0.2
Scores
29 · 10 core
Qwen3.6-Max-Preview
Qwen · released 2026-04-18
text
Context
256K
Max out
—
Input /1M
$1.3 ↗
Output /1M
$7.8 ↗
Cached /1M
—
Scores
17 · 8 core
Quality

Benchmark matrix

BenchmarkClaude Sonnet 5.5Qwen3.6-Max-PreviewΔEdge
Reported by both · 7
GPQA Diamond95.6% ↗epoch run87.4% ↗epoch run+8.2 ptClaude Sonnet 5.5
LMArena Elo1471 ↗1460.3 ↗+10.7Claude Sonnet 5.5
LMArena WebDev (LMArena)1786.3 ↗1481.5 ↗+304.8Claude Sonnet 5.5
Mystery Game Puzzles (Epoch AI run)65% ↗epoch run19% ↗epoch run+46 ptClaude Sonnet 5.5
OTIS Mock AIME 2024-2025 (Epoch AI run)100% ↗epoch run91.1% ↗epoch run+8.9 ptClaude Sonnet 5.5
SimpleBench (SimpleBench)75.9% ↗63% ↗+12.9 ptClaude Sonnet 5.5
SimpleQA Verified46.5% ↗epoch run52% ↗epoch run-5.5 ptQwen3.6-Max-Preview
Only Claude Sonnet 5.5 reports · 22
APEX-Agents (Mercor)75.5% ↗not reported——
Chartography (no tools)61.6% ↗not reported——
CursorBench 4.055.5% ↗not reported——
FrontierCode v1.1 (Main)46.2% ↗not reported——
FrontierMath Tier 4 v2 (Epoch AI run)80.5% ↗epoch runnot reported——
FrontierMath Tiers 1-3 v2 (Epoch AI run)88.8% ↗epoch runnot reported——
FrontierSWE V2 (Proximal Labs)61.9% ↗not reported——
Furniture Assembly (Epoch AI run)75% ↗epoch runnot reported——
Humanity's Last Exam (with tools)64.5% ↗not reported——
LiveBench Agentic Coding (LiveBench)56.3% ↗not reported——
LiveBench Coding (LiveBench)91.4% ↗not reported——
LiveBench Data Analysis (LiveBench)78.6% ↗not reported——
LiveBench Instruction Following (LiveBench)70.5% ↗not reported——
LiveBench Language (LiveBench)83.4% ↗not reported——
LiveBench Mathematics (LiveBench)96.7% ↗not reported——
LiveBench Reasoning (LiveBench)91.6% ↗not reported——
LMArena Agent (LMArena)0.1252 ↗not reported——
LMArena Vision (LMArena)1268.3 ↗not reported——
OSWorld 2.1 (partial)80.1% ↗not reported——
SAGE (Vals AI)51.8% ↗not reported——
Terminal-Bench 4.070.6% ↗not reported——
Terminal-Bench 4.0 (Vals AI)64.1% ↗not reported——
Only Qwen3.6-Max-Preview reports · 10
Chess Puzzles (Epoch AI run)not reported20% ↗epoch run——
NL2Reponot reported42.9% ↗——
QwenClawBenchnot reported59% ↗——
SciCodenot reported47% ↗——
SkillsBenchnot reported55.6% ↗——
SuperGPQAnot reported73.9% ↗——
SWE-bench Pronot reported57.3% ↗——
SWE-bench Verified (Epoch AI run)not reported76.7% ↗epoch run——
Terminal-Bench 2.0 (Terminus-2)not reported65.4% ↗——
Vending-Bench 2 (Andon Labs)not reported4254.19 ↗——
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 Claude Sonnet 5.5 minus Qwen3.6-Max-Preview 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

SpecClaude Sonnet 5.5Qwen3.6-Max-PreviewEdge
Context window1M tokens256K tokensClaude Sonnet 5.5
Max output128K tokens——
Input price / 1M$2 ↗$1.3 ↗Qwen3.6-Max-Preview
Output price / 1M$10 ↗$7.8 ↗Qwen3.6-Max-Preview
Cached input / 1M$0.2 ↗——
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$12$9.1Qwen3.6-Max-Preview
Modalitiestext · visiontextClaude Sonnet 5.5
Released2026-09-282026-04-18—
Cited benchmark scores2917—
Reliability

Provider status

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More matchups

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Public benchmarks are a starting point. Run Claude Sonnet 5.5 and Qwen3.6-Max-Preview on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.