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Claude Fable 5.1 vs Qwen3.6 Plus

Claude Fable 5.1 leads Qwen3.6 Plus on coding, 84.2 to 44.1 on the Vibe Coding Index, and Qwen3.6 Plus costs 25.6x less per output token ($1.95 vs $50.00 per million). Updated October 22, 2026; 73 benchmarks have a result for both.

Replace Claude Fable 5.1 Replace Qwen3.6 Plus
Claude Fable 5.1Anthropic
Coding
84.2
Overall
84.7
Output $/M
$50.00
73
Qwen3.6 PlusQwen
Coding
44.1
Overall
56.2
Output $/M
$1.95
0
vs boards won of 73 shared

Claude Fable 5.1 or Qwen3.6 Plus: which to pick

Pick Claude Fable 5.1 for coding: it scores 84.2 on the Vibe Coding Index against 44.1 for Qwen3.6 Plus.

Pick Qwen3.6 Plus for output tokens 25.6x cheaper ($1.95 vs $50.00 per million).

Model AClaude Fable 5.1Anthropic84.2/1005 independent benchmarksNo cost per solved taskModel BQwen3.6 PlusQwen44.1/1003 independent benchmarks$1.19 per solved task
Shared results
73
Claude Fable 5.1 only
51
Qwen3.6 Plus only
10
Like-for-like categories
8 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Claude Fable 5.1 84.2 from 5 benchmarks, Qwen3.6 Plus 44.1 from 3 benchmarks.
Widest category
Agentic work, 29.1 points apart on average over 5 shared benchmarks.
Widest single gap
Vibe Code Bench (Vals AI): Claude Fable 5.1 90.3% against Qwen3.6 Plus 25.6%, 64.7 points apart on a 0 to 100 scale.
Output price
Claude Fable 5.1 $50.00 against Qwen3.6 Plus $1.95 per million output tokens, 25.6x apart.
Context window
Both take 1M tokens.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryClaude Fable 5.1BarsQwen3.6 PlusTies
Coding130
Intelligence20
Agentic work50
Reasoning90
Math40
Knowledge100
Web design80
General220
All shared boards730
CodingLike-for-likeSix of these boards feed the Vibe Coding Index130
Coding benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
LiveBench coding97.7%Not measuredOnly Claude Fable 5.1 measured
LMArena WebDev17431461Claude Fable 5.1
AA Coding Index81.654.5Claude Fable 5.1
LiveCodeBench (Vals AI)90.5%86.0%Claude Fable 5.1
SWE-bench Verified (Vals AI)Not measured73.4%Only Qwen3.6 Plus measured
Terminal-Bench 4 (Vals AI)58.1%Not measuredOnly Claude Fable 5.1 measured
Vibe Code Bench (Vals AI)90.3%25.6%Claude Fable 5.1
Code migration (Vals AI)54.6%11.1%Claude Fable 5.1
ProgramBench (Vals AI)7.0%0.0%Claude Fable 5.1
IOI (Vals AI)90.8%Not measuredOnly Claude Fable 5.1 measured
Terminal-Bench 2.1 (Vals AI)85.0%53.2%Claude Fable 5.1
SWE-bench Multimodal (Vals AI)61.3%Not measuredOnly Claude Fable 5.1 measured
Vibe Code Bench 1-100 (Vals AI)28.0%Not measuredOnly Claude Fable 5.1 measured
SkillsBench (Vals AI)61.5%Not measuredOnly Claude Fable 5.1 measured
CyberBench (Vals AI)70.4%Not measuredOnly Claude Fable 5.1 measured
SciCode63.1%Not measuredOnly Claude Fable 5.1 measured
Terminal-Bench Hard (Artificial Analysis run)Not measured43.9%Only Qwen3.6 Plus measured
FrontierCode50.9%Not measuredOnly Claude Fable 5.1 measured
FrontierSWE56.3%Not measuredOnly Claude Fable 5.1 measured
GSO-Bench88.2%Not measuredOnly Claude Fable 5.1 measured
WeirdML92.9%Not measuredOnly Claude Fable 5.1 measured
MirrorCode73.3%Not measuredOnly Claude Fable 5.1 measured
ALE-Bench2143.2670.1Claude Fable 5.1
LMArena Text: coding15321467Claude Fable 5.1
LMArena Text: software and IT15301462Claude Fable 5.1
LMArena WebDev: React17921454Claude Fable 5.1
LMArena WebDev: HTML16841463Claude Fable 5.1
LMArena WebDev: from an image17221472Claude Fable 5.1
Neither model has a result on the other 11 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
AA Intelligence Index53.427.0Claude Fable 5.1
Epoch Capabilities Index166.5147.3Claude Fable 5.1
Agentic workLike-for-likePublic boards, shown as published, kept out of the index50
Agentic work benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
AA Agentic Index57.9Not measuredOnly Claude Fable 5.1 measured
Design Arena: agents building web apps1318Not measuredOnly Claude Fable 5.1 measured
Design Arena: agents building full-stack apps1326Not measuredOnly Claude Fable 5.1 measured
Design Arena: agents building mobile apps1267Not measuredOnly Claude Fable 5.1 measured
Design Arena: agents building Godot games1327Not measuredOnly Claude Fable 5.1 measured
Design Arena: PowerPoint slides1305Not measuredOnly Claude Fable 5.1 measured
Design Arena: spreadsheets1380Not measuredOnly Claude Fable 5.1 measured
LiveBench research82.0%Not measuredOnly Claude Fable 5.1 measured
LiveBench browser100.0%Not measuredOnly Claude Fable 5.1 measured
LiveBench long agentic80.8%Not measuredOnly Claude Fable 5.1 measured
SREBench (Vals AI)22.9%Not measuredOnly Claude Fable 5.1 measured
Finance Agent (Vals AI)58.9%40.9%Claude Fable 5.1
Tax Agent Bench (Vals AI)49.2%7.7%Claude Fable 5.1
Legal Research Bench (Vals AI)55.3%14.9%Claude Fable 5.1
Excel Modeling Benchmark (Vals AI)76.7%32.9%Claude Fable 5.1
Terminal-Bench-Science (Vals AI)40.0%Not measuredOnly Claude Fable 5.1 measured
Time Horizon Index (Vals AI)63.3%Not measuredOnly Claude Fable 5.1 measured
CUA-bench (Vals AI)13.2%Not measuredOnly Claude Fable 5.1 measured
Robo-bench (Vals AI)5.8%Not measuredOnly Claude Fable 5.1 measured
τ²-Bench TelecomNot measured97.7%Only Qwen3.6 Plus measured
APEX-Agents68.6%Not measuredOnly Claude Fable 5.1 measured
Remote Labor Index17.9%Not measuredOnly Claude Fable 5.1 measured
SpireClimb2.0%Not measuredOnly Claude Fable 5.1 measured
Vending-Bench 2$5,422$5,115Claude Fable 5.1
LMArena Search1246Not measuredOnly Claude Fable 5.1 measured
Neither model has a result on the other 16 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index90
Reasoning benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
GPQA Diamond93.4%87.4%Claude Fable 5.1
LiveBench reasoning91.7%Not measuredOnly Claude Fable 5.1 measured
MysteryMechanism (Vals AI)47.8%Not measuredOnly Claude Fable 5.1 measured
MMMU Pro (Vals AI)90.6%84.2%Claude Fable 5.1
GPQA Diamond (Artificial Analysis run)93.7%88.2%Claude Fable 5.1
Humanity's Last Exam (Artificial Analysis run)59.1%27.8%Claude Fable 5.1
GPQA Diamond (Epoch AI run)Not measured88.4%Only Qwen3.6 Plus measured
ARC-AGI97.5%Not measuredOnly Claude Fable 5.1 measured
ARC-AGI-290.0%Not measuredOnly Claude Fable 5.1 measured
Chess puzzles48.0%14.0%Claude Fable 5.1
Mystery game puzzles58.0%12.0%Claude Fable 5.1
EBR-bench57.1%Not measuredOnly Claude Fable 5.1 measured
LMArena Text: hard prompts15281448Claude Fable 5.1
LMArena Text: expert15441454Claude Fable 5.1
LMArena Text: hard prompts in English15221455Claude Fable 5.1
LMArena Vision: diagrams1343Not measuredOnly Claude Fable 5.1 measured
LMArena Vision: homework1345Not measuredOnly Claude Fable 5.1 measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
AIMENot measured94.6%Only Qwen3.6 Plus measured
OTIS Mock AIME100.0%93.3%Claude Fable 5.1
FrontierMath, tiers 1 to 390.2%38.2%Claude Fable 5.1
FrontierMath, tier 487.8%Not measuredOnly Claude Fable 5.1 measured
ProofBench100.0%Not measuredOnly Claude Fable 5.1 measured
LMArena Text: math15311449Claude Fable 5.1
LMArena Text: mathematical work15411448Claude Fable 5.1
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index100
Knowledge benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
MMLU Pro92.4%87.7%Claude Fable 5.1
LegalBench (Vals AI)88.5%84.2%Claude Fable 5.1
CaseLaw (Vals AI)Not measured51.5%Only Qwen3.6 Plus measured
CorpFin (Vals AI)Not measured61.9%Only Qwen3.6 Plus measured
TaxEval (Vals AI)76.0%74.7%Claude Fable 5.1
MortgageTax (Vals AI)70.8%68.0%Claude Fable 5.1
MedCode (Vals AI)53.5%36.9%Claude Fable 5.1
SimpleQA Verified70.8%44.1%Claude Fable 5.1
LMArena Text: science15321439Claude Fable 5.1
LMArena Text: medicine and healthcare15311442Claude Fable 5.1
LMArena Text: legal and government15141437Claude Fable 5.1
LMArena Text: business and finance14931430Claude Fable 5.1
Neither model has a result on the other 6 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index80
Web design benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
Design Arena: websites13121243Claude Fable 5.1
Design Arena: UI components13361230Claude Fable 5.1
Design Arena: game dev13811211Claude Fable 5.1
Design Arena: data viz13441228Claude Fable 5.1
Design Arena: 3D13921202Claude Fable 5.1
Design Arena: all code categories13351236Claude Fable 5.1
Design Arena: SVG13001161Claude Fable 5.1
Design Arena: ASCII art13231113Claude Fable 5.1
LiveBench design83.4%Not measuredOnly Claude Fable 5.1 measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index220
General benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
LiveBench data analysis80.3%Not measuredOnly Claude Fable 5.1 measured
Public Benefits Bench (Vals AI)74.9%Not measuredOnly Claude Fable 5.1 measured
SAGE (Vals AI)48.5%44.9%Claude Fable 5.1
MedScribe (Vals AI)91.3%77.0%Claude Fable 5.1
Vals Multimodal IndexNot measured51.5%Only Qwen3.6 Plus measured
IFBenchNot measured75.2%Only Qwen3.6 Plus measured
Long context reasoning (AA-LCR)85.3%78.3%Claude Fable 5.1
DTBench97.6%81.9%Claude Fable 5.1
LMCA65.5%33.1%Claude Fable 5.1
CL-benchNot measured20.3%Only Qwen3.6 Plus measured
Furniture assembly70.0%Not measuredOnly Claude Fable 5.1 measured
LMArena Text15121436Claude Fable 5.1
LMArena Text: instruction following15181424Claude Fable 5.1
LMArena Text: creative writing15091404Claude Fable 5.1
LMArena Vision1319Not measuredOnly Claude Fable 5.1 measured
LMArena Text: English15061445Claude Fable 5.1
LMArena Text: non-English15081424Claude Fable 5.1
LMArena Text: Chinese15841477Claude Fable 5.1
LMArena Text: German14991451Claude Fable 5.1
LMArena Text: Japanese15621390Claude Fable 5.1
LMArena Text: Korean15171379Claude Fable 5.1
LMArena Text: French15231455Claude Fable 5.1
LMArena Text: Spanish15201432Claude Fable 5.1
LMArena Text: Russian15201434Claude Fable 5.1
LMArena Text: Polish15251433Claude Fable 5.1
LMArena Text: multi-turn14931438Claude Fable 5.1
LMArena Text: longer queries15241439Claude Fable 5.1
LMArena Text: writing and language15101418Claude Fable 5.1
LMArena Text: entertainment and media14971402Claude Fable 5.1
LMArena Vision: English1313Not measuredOnly Claude Fable 5.1 measured
LMArena Vision: Chinese1391Not measuredOnly Claude Fable 5.1 measured
LMArena Vision: reading text1327Not measuredOnly Claude Fable 5.1 measured
LMArena Vision: humor1318Not measuredOnly Claude Fable 5.1 measured
LMArena Vision: creative writing1330Not measuredOnly Claude Fable 5.1 measured
Neither model has a result on the other 12 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Fable 5.1 and Qwen3.6 Plus
BenchmarkClaude Fable 5.1Qwen3.6 PlusLeader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Claude Fable 5.1$0.035Fits in one request
Qwen3.6 Plus$0.0013Fits in one request

Qwen3.6 Plus costs less

Repository review

50K input + 3K output tokens

Claude Fable 5.1$0.650Fits in one request
Qwen3.6 Plus$0.022Fits in one request

Qwen3.6 Plus costs less

Agent loop

200K input + 10K output tokens

Claude Fable 5.1$2.50Fits in one request
Qwen3.6 Plus$0.085Fits in one request

Qwen3.6 Plus costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Claude Fable 5.1 and Qwen3.6 Plus
SpecificationAnthropic Claude Fable 5.1Qwen3.6 Plus
MakerAnthropicQwen
WeightsNo public weights listedNo public weights listed
ReleasedSeptember 1, 2026April 2, 2026
Context window1M1M
Input $/Mtok$10.00$0.325
Output $/Mtok$50.00$1.95
Coding index84.244.1
Independent measurements behind it53
Cost per solved taskNot computable$1.19
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Fable 5.1 better than Qwen3.6 Plus for coding?

Pick Claude Fable 5.1 for coding: it scores 84.2 on the Vibe Coding Index against 44.1 for Qwen3.6 Plus. Pick Qwen3.6 Plus for output tokens 25.6x cheaper ($1.95 vs $50.00 per million).

Which is cheaper, Claude Fable 5.1 or Qwen3.6 Plus?

Claude Fable 5.1 costs $10.00 per million input tokens and $50.00 per million output tokens; Qwen3.6 Plus costs $0.325 and $1.95. Cost per solved task is known for Qwen3.6 Plus only.

Which has the bigger context window, Claude Fable 5.1 or Qwen3.6 Plus?

Neither: both take 1M tokens.

How many benchmarks is the Claude Fable 5.1 vs Qwen3.6 Plus comparison based on?

73 benchmarks have a result for both models as of October 22, 2026. Claude Fable 5.1's coding index rests on 5 independent benchmarks and Qwen3.6 Plus's on 3. Where only one model has a result, the page says so instead of naming a winner.

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