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Model comparison

Claude Fable 5 vs Qwen3.6 Plus

Data verified

Head-to-head evidence from 19 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

83.68/100
Margin
18.5pts
← winning
65.2/100
2 category wins1 category wins

Public leaderboard positions: Claude Fable 5 #2 (Supported); Qwen3.6 Plus #30 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Claude Fable 5 and Qwen3.6 Plus share 19 comparable benchmark results. 3 of 8 categories are comparable. 15 results are unique to Claude Fable 5; 41 to Qwen3.6 Plus.

Updated July 23, 2026
Shared results
19
Claude Fable 5 only
15
Qwen3.6 Plus only
41
Comparable categories
3 / 8

Pick Claude Fable 5 if you want the stronger benchmark profile. Qwen3.6 Plus only becomes the better choice if multimodal & grounded is the priority.

Confidence note. This is a partial-evidence comparison with 19 shared benchmark results across 6 evidence categories; 3 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Claude Fable 5 is clearly ahead on the BenchAlign aggregate, 83.68 to 65.2. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

Claude Fable 5's sharpest advantage is in agentic, where it averages 84.6 against 61.6. The single biggest benchmark swing on the page is SWE-bench Pro, 80% to 56.6%. Qwen3.6 Plus does hit back in multimodal & grounded, so the answer changes if that is the part of the workload you care about most.

Claude Fable 5 gives you the larger context window at 1M+, compared with 1M for Qwen3.6 Plus.

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 scores and score margins for Claude Fable 5 and Qwen3.6 Plus
CategoryClaude Fable 5ΔQwen3.6 Plus
AgenticClaude Fable 584.6Margin 23.0Qwen3.6 Plus61.6
MultimodalClaude Fable 557.9Margin 21.9Qwen3.6 Plus79.8
CodingClaude Fable 589.2Margin 18.9Qwen3.6 Plus70.3
ReasoningClaude Fable 5Not measuredMarginNo overlapQwen3.6 Plus62.0
KnowledgeClaude Fable 5Not measuredMarginNo overlapQwen3.6 Plus57.1
MathClaude Fable 5Not measuredMarginNo overlapQwen3.6 Plus60.5
MultilingualClaude Fable 5Not measuredMarginNo overlapQwen3.6 Plus84.7
Inst. FollowingClaude Fable 5Not measuredMarginNo overlapQwen3.6 Plus82.3

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · Claude Fable 5B · Qwen3.6 Plus
  1. SWE-bench Pro

    Coding
    Source ↗
    A 80%B 56.6%
    Winner: Claude Fable 5Δ 23.4
    SWE-bench Pro: Claude Fable 5 scored 80%; Qwen3.6 Plus scored 56.6%. Claude Fable 5 wins this benchmark.
  2. Terminal-Bench 2.0

    Agentic
    Source ↗
    A 84.3%B 61.6%
    Winner: Claude Fable 5Δ 22.7
    Terminal-Bench 2.0: Claude Fable 5 scored 84.3%; Qwen3.6 Plus scored 61.6%. Claude Fable 5 wins this benchmark.
  3. SWE-bench Verified

    Coding
    Source ↗
    A 95%B 78.8%
    Winner: Claude Fable 5Δ 16.2
    SWE-bench Verified: Claude Fable 5 scored 95%; Qwen3.6 Plus scored 78.8%. Claude Fable 5 wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricClaude Fable 5Qwen3.6 PlusComparison
Input / output priceUSD per 1M tokensClaude Fable 5$10 input / $50 outputQwen3.6 PlusNot availableA complete price comparison is not available.
Generation speedtokens per secondClaude Fable 5Not availableQwen3.6 PlusNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenClaude Fable 5Not availableQwen3.6 PlusNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensClaude Fable 51M+Qwen3.6 Plus1MClaude Fable 5 lists the larger context window.

Benchmark Deep Dive

AgenticClaude Fable 5 wins
BenchmarkClaude Fable 5Qwen3.6 PlusResult
Terminal-Bench 2.0Source 84.3%61.6%Claude Fable 5 leads
OSWorld-VerifiedSource 85%Not comparable
GDPval-AASource 17481135Claude Fable 5 leads
AA Agentic IndexSource 52.8%27.6%Claude Fable 5 leads
τ²-bench resultsSource 98.5%97.7%Claude Fable 5 leads
GDPval-AASource 62.4%31.8%Claude Fable 5 leads
AA BriefcaseSource 1574Not comparable
AA AutomationBenchSource 48.6%Not comparable
AA EnterpriseOps-GymSource 51.1%Not comparable
AA Harvey LABSource 93.6%Not comparable
AA Tau3 BankingSource 26.8%Not comparable
terminalBenchHardSource 62.9%Not comparable
aaTerminalBench21Source 84.6%Not comparable
Claw-EvalSource 58.8%Not comparable
QwenClawBenchSource 57.2%Not comparable
τ³-bench resultsSource 70.7%Not comparable
VITA-BenchSource 44.3%Not comparable
DeepPlanningSource 41.5%Not comparable
ToolathlonSource 39.8%Not comparable
MCP AtlasSource 48.2%Not comparable
MCP-TasksSource 74.1%Not comparable
WideResearchSource 74.3%Not comparable
Gert LabsSource 50.60%Not comparable
ResearchClawBenchSource 18.0%Not comparable
CodingClaude Fable 5 wins
BenchmarkClaude Fable 5Qwen3.6 PlusResult
SWE-bench VerifiedSource 95%78.8%Claude Fable 5 leads
SWE-bench ProSource 80%56.6%Claude Fable 5 leads
FrontierCode 1.1 MainSource 53.5%Not comparable
Terminal-Bench 2.0Source 84.3%Not comparable
cursorBench31Source 70.6%Not comparable
cursorBench32Source 70.5%Not comparable
VulcanBench v3Source 87.0%Not comparable
AA Coding IndexSource 76.5%54.5%Claude Fable 5 leads
AA-SciCodeSource 60.2%40.7%Claude Fable 5 leads
SWE MultilingualSource 73.8%Not comparable
LiveCodeBench v6Source 87.1%Not comparable
Vibe Code BenchSource 25.56%Not comparable
Reasoning
BenchmarkClaude Fable 5Qwen3.6 PlusResult
AA-LCRSource 70.0%69.7%Claude Fable 5 leads
CritPtSource 28.6%2.9%Claude Fable 5 leads
AI-NeedleSource 68.3%Not comparable
LongBench v2Source 62%Not comparable
Knowledge
BenchmarkClaude Fable 5Qwen3.6 PlusResult
Artificial Analysis Intelligence IndexSource 59.9%39.6%Claude Fable 5 leads
AA-GPQA DiamondSource 92.6%88.2%Claude Fable 5 leads
AA-HLESource 53.3%25.7%Claude Fable 5 leads
AA-Omniscience IndexSource 40.2%2.7%Claude Fable 5 leads
AA-Omniscience AccuracySource 61.4%26.2%Claude Fable 5 leads
AA-Omniscience Hallucination RateSource 54.9%32.0%Qwen3.6 Plus leads
GPQASource 90.4%Not comparable
SuperGPQASource 71.6%Not comparable
MMLU-ProSource 88.5%Not comparable
MMLU-ReduxSource 94.5%Not comparable
C-EvalSource 93.3%Not comparable
HLESource 28.8%Not comparable
Math
BenchmarkClaude Fable 5Qwen3.6 PlusResult
AIME26Source 95.3%Not comparable
HMMT Feb 2025Source 96.7%Not comparable
HMMT Nov 2025Source 94.6%Not comparable
HMMT Feb 2026Source 87.8%Not comparable
MMAnswerBenchSource 83.8%Not comparable
FrontierMath v2 (Tiers 1-3)Source 26.207%Not comparable
FrontierMath v2 (Tier 4)Source 8.333%Not comparable
Multilingual
BenchmarkClaude Fable 5Qwen3.6 PlusResult
MMLU-ProXSource 84.7%Not comparable
NOVA-63Source 57.9%Not comparable
MultimodalQwen3.6 Plus wins
BenchmarkClaude Fable 5Qwen3.6 PlusResult
Blueprint-Bench 2Source 38.6%Not comparable
OfficeQA ProSource 57.9%Not comparable
Design Arena WebsiteSource 13321249Claude Fable 5 leads
MMMUSource 86.0%Not comparable
MMMU-ProSource 78.8%Not comparable
MathVisionSource 88.0%Not comparable
VideoMMMUSource 84.0%Not comparable
ScreenSpot ProSource 68.2%Not comparable
CharXivSource 81.5%Not comparable
V*Source 96.9%Not comparable
AA-MMMU-ProSource 78.0%Not comparable
Inst. Following
BenchmarkClaude Fable 5Qwen3.6 PlusResult
AA-IFBenchSource 63.5%75.2%Qwen3.6 Plus leads
IFEvalSource 94.3%Not comparable
IFBenchSource 75.8%Not comparable
Frequently Asked Questions (4)

Which is better, Claude Fable 5 or Qwen3.6 Plus?

Claude Fable 5 is ahead on BenchLM's BenchAlign leaderboard, 83.68 to 65.2. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 80% and 56.6%.

Which is better for coding, Claude Fable 5 or Qwen3.6 Plus?

Claude Fable 5 has the edge for coding in this comparison, averaging 89.2 versus 70.3. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, Claude Fable 5 or Qwen3.6 Plus?

Claude Fable 5 has the edge for agentic tasks in this comparison, averaging 84.6 versus 61.6. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, Claude Fable 5 or Qwen3.6 Plus?

Qwen3.6 Plus has the edge for multimodal and grounded tasks in this comparison, averaging 79.8 versus 57.9. Inside this category, Design Arena Website is the benchmark that creates the most daylight between them.

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Last updated: July 23, 2026

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