BenchLeader

Claude Fable 5.2 vs Kimi K3.1 Pro Together

Full profiles: Claude Fable 5.2 (Anthropic) and Kimi K3.1 Pro Together (Moonshot AI): every benchmark, price and rank.

Updated · Data from 5 sources

As of 9 Nov 2026, Claude Fable 5.2 is ahead of Kimi K3.1 Pro Together on quality (69.4 vs 60.5 on the BenchLeader Index). Claude Fable 5.2 leads in every category we measure both in.

Key facts (as of 9 Nov 2026)

  • Claude Fable 5.2 scores 69.4 on the BenchLeader Index and Kimi K3.1 Pro Together scores 60.5 (BenchLeader, 9 Nov 2026).
  • Claude Fable 5.2 costs $16.00 per 1M tokens blended (list price, 9 Nov 2026).

Which to pick for…

The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.

Use casePickWhyConfidence
ReasoningClaude Fable 5.278 vs 67 category scoreHigh
KnowledgeClaude Fable 5.282 vs 68 category scoreHigh
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Claude Fable 5.2 (max) leads on quality: 69.4 vs 60.5.
  • Claude Fable 5.2 (max) is stronger in coding, knowledge, long context, reasoning.
  • Kimi K3.1 Pro Together (max) is stronger in maths.

At a glance

SpecClaude Fable 5.2Kimi K3.1 Pro Together
DeveloperAnthropicMoonshot AI
Released9 Nov 202623 Oct 2026
Context window (tokens)1,000,000–
Compared atClaude Fable 5.2 (max)Kimi K3.1 Pro Together (max)
Open weightsNoNo
Price in / out / cached input per 1M$8.00 / $40.00 / $0.200–

Category by category

Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.

CategoryClaude Fable 5.2 (max)Kimi K3.1 Pro Together (max)Leader
Reasoning78.467.1Claude Fable 5.2
Coding80.2–not comparable
Maths–65.8not comparable
Knowledge81.767.6Claude Fable 5.2
Long context66.4–not comparable

On one chart

Each domain on the index's own scale, where 50 is an average model. Click a domain to see the benchmarks behind it. Pick up to 5 models from the list.

2550 avg75ReasoningCodingMathsKnowledgeLong contextClaude Fable 5.2, Reasoning: 78.4Claude Fable 5.2, Coding: 80.2Claude Fable 5.2, Knowledge: 81.7Claude Fable 5.2, Long context: 66.4Kimi K3.1 Pro Together, Reasoning: 67.1Kimi K3.1 Pro Together, Maths: 65.8Kimi K3.1 Pro Together, Knowledge: 67.6

Dashed: that model has no result on the axis it crosses; the line only joins its neighbours.

Not drawn, no result for these models: Agents & tools, Instruction following, Multimodal, Human preference.

ModelIndex

Where sources disagree

Across the 0 benchmarks both have, Claude Fable 5.2 leads 0, Kimi K3.1 Pro Together leads 0. Every overall index that rates both puts Claude Fable 5.2 ahead.

Overall indexClaude Fable 5.2 (max)Kimi K3.1 Pro Together (max)Leader
BenchLeader Index69.460.5Claude Fable 5.2

Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).

Price, speed and latency

List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page. Cost, tokens and time per benchmark task are measured: Artificial Analysis’ averages over its whole Intelligence Index run.

MeasureClaude Fable 5.2 (max)Kimi K3.1 Pro Together (max)
Blended price per 1M tokens$16.00–
Input / output per 1M$8.00 / $40.00– / –
Cached input per 1M$0.200–
Price per task: chat reply$0.015–
Price per task: summarize a 30-page report$0.120–
Price per task: code edit$0.108–
Price per task: agentic coding session$0.640–
Price per task: structured extraction$0.024–
Agentic coding session, input mostly cached$0.289–
Cost per benchmark task (AA Index)$26.54–
Output tokens per task (AA Index)274k–
Of which reasoning193k–
Output speed72 tok/s–
Time to first answer3.0 s–

Each model is compared at its best-ranked reasoning-effort setting. Claude Fable 5.2 (max) scores 69.4 and takes 3 s to its first answer token; Claude Fable 5.2 (high) scores 68.9 in 3 s, Claude Fable 5.2 (xhigh) scores 68.7 in 3 s. Kimi K3.1 Pro Together (max) scores 60.5. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.

Every benchmark

55 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.

MetricPublisherClaude Fable 5.2 (max)Kimi K3.1 Pro Together (max)
BenchLeader IndexBenchLeader69.460.5
Coding scoreBenchLeader80.2–
Knowledge scoreBenchLeader81.767.6
Long context scoreBenchLeader66.4–
Reasoning scoreBenchLeader78.467.1
Maths scoreBenchLeader–65.8
Blended price $/MBenchLeader$16.00–
Output speedBenchLeader72 tok/s–
Time to first answerBenchLeader3.0 s–
Context windowBenchLeader1,000,000 tokens–
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub–94.2%
LiveBench 2.0 ReasoningLiveBench88.8%†–
Humanity's Last Exam (AA)Artificial Analysis74.3%–
HLE-Diamond (AA)Artificial Analysis80.2%–
ARC-AGI-1ARC Prize97.5%–
ARC-AGI-2ARC Prize92.5%–
ARC-AGI-3ARC Prize94.9%–
CritPtArtificial Analysis35.4%–
CritPt v2 hard subset (AA)Artificial Analysis76.5%–
MysteryMechanismVals AI51.8%†–
Chess PuzzlesEpoch AI Benchmarking Hub–45.0%
Mystery Game PuzzlesEpoch AI Benchmarking Hub–42.0%
Coding
LiveBench 2.0 CodingLiveBench79.2%†–
SciCode (AA)Artificial Analysis67.7%–
Code Migration v1.1Vals AI83.3%†–
ProgramBenchVals AI19.0%†–
SWE-bench MultimodalVals AI62.3%†–
Vibe Code Bench v1.1Vals AI93.8%†–
Terminal-Bench 4.0 (AA)Artificial Analysis59.6%–
FrontierCode 1.1 (AA)Artificial Analysis56.2%–
FrontierCode 2.0 (AA)Artificial Analysis48.8%–
Agents & tools
LiveBench Long AgenticLiveBench82.9%†–
LiveBench BrowserLiveBench86.9%†–
GDPval-AA v2.1Artificial Analysis1831–
Finance Agent v2.1Vals AI69.5%†–
Show all 55 benchmarks
MetricPublisherClaude Fable 5.2 (max)Kimi K3.1 Pro Together (max)
Agents & tools
Harvey's Legal Agent Benchmark v1.1Vals AI5.0%†–
Legal Research BenchVals AI46.1%†–
Tax Agent BenchVals AI32.1%†–
Terminal-Bench 4.0 (Vals)Vals AI65.2%†–
Terminal-Bench ScienceVals AI55.7%†–
AutomationBenchArtificial Analysis76.4%–
GDP.pdf (AA)Artificial Analysis24.2%–
Harvey LAB-AA v1.1Harvey7.2%–
AA-Briefcase v1.1Artificial Analysis1785–
Terminal-Bench-Science 0.1 (AA)Artificial Analysis73.3%–
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub–78.3%
FrontierMath Tier 4Epoch AI Benchmarking Hub–65.8%
OTIS Mock AIMEEpoch AI Benchmarking Hub–100.0%
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub–62.2%
LiveBench 2.0 Data AnalysisLiveBench81.5%†–
LiveBench ResearchLiveBench94.5%†–
AA-Omniscience v1.1Artificial Analysis66.8–
BioMysteryBenchVals AI83.7%†–
Excel Modeling Benchmark v1.1Vals AI77.4%†–
AA-Omniscience v1.1: accuracyArtificial Analysis79.1%–
AA-Omniscience v1.1: non-hallucinationArtificial Analysis40.7%–
HealthBench Professional (AA)OpenAI67.7%–
Multimodal
LiveBench DesignLiveBench85.1%†–
AA-3DArtificial Analysis1271–
Long context
AA-LCR v1.1Artificial Analysis83.3%–
Composite
LiveBench 2.0LiveBench84.9%†–
AA Intelligence Index v5.0Artificial Analysis64.6–
Vals IndexVals AI71.3†–
Vals Finance IndexVals AI63.6%†–
Vals Science IndexVals AI63.7%†–

Data as of 2026-11-09. Best configuration of each model; every score links to its source on the model pages.

What changed

  • Kimi K3.1 Pro Together (max): first results.

Rankings: Best LLM overall · Best LLM for agents · Best cheap LLMs

Claude Fable 5.2 vs Kimi K3.1 Pro Together: questions

Is Claude Fable 5.2 better than Kimi K3.1 Pro Together?
Claude Fable 5.2 (max) leads on quality: 69.4 vs 60.5. The BenchLeader Index combines every independent quality benchmark; Claude Fable 5.2 (max) is ahead overall as of 9 Nov 2026, but check the category scores for your use.
When was Claude Fable 5.2 released?
Claude Fable 5.2 was released on 9 Nov 2026.