Compare / head-to-head

Claude Fable 5vsKimi K3

Claude Fable 5 leads 22 of 31 shared benchmarks. Kimi K3 is 3.3x cheaper per token. Kimi K3 has the larger context window (1.0M tokens).

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

Shared benchmarks
22 – 7
Claude Fable 5 leads · 2 tied
Cheaper per token
Kimi K3
3.3x cheaper, input + output
Larger context
Kimi K3
1.0M tokens
Providers
2 providers
Anthropic · Moonshot AI
Claude Fable 5
Anthropic · released 2026-06-09
textvision
Context
1M
Max out
128K
Input /1M
$10 ↗
Output /1M
$50 ↗
Cached /1M
$1
Scores
44 · 11 core
Kimi K3
Moonshot AI · released 2026-07-16
textvision
Context
1.0M
Max out
1.0M
Input /1M
$3 ↗
Output /1M
$15 ↗
Cached /1M
$0.3
Scores
87 · 11 core
Quality

Benchmark matrix

BenchmarkClaude Fable 5Kimi K3ΔEdge
Reported by both · 31
GPQA Diamond85.9% ↗epoch run93.5% ↗-7.6 ptKimi K3
LMArena Elo1504.3 ↗1488.4 ↗+15.9Claude Fable 5
APEX-Agents (Mercor)63.6% ↗50.6% ↗+13 ptClaude Fable 5
AutomationBench17.4% ↗30.8% ↗-13.4 ptKimi K3
Chess Puzzles (Epoch AI run)41% ↗epoch run39% ↗epoch run+2 ptClaude Fable 5
DeepSWE v1.1 (Datacurve)69.9% ↗68.5% ↗+1.4 ptClaude Fable 5
FrontierMath Tier 4 v2 (Epoch AI run)90.2% ↗epoch run39% ↗epoch run+51.2 ptClaude Fable 5
FrontierMath Tiers 1-3 v2 (Epoch AI run)87% ↗epoch run72.2% ↗epoch run+14.8 ptClaude Fable 5
FrontierSWE V2 (Proximal Labs)47% ↗25.9% ↗+21.1 ptClaude Fable 5
Furniture Assembly (Epoch AI run)35.8% ↗epoch run34.2% ↗epoch run+1.6 ptClaude Fable 5
LiveBench Agentic Coding (LiveBench)62.2% ↗62.2% ↗0Tie
LiveBench Coding (LiveBench)86% ↗81.4% ↗+4.6 ptClaude Fable 5
LiveBench Data Analysis (LiveBench)80.5% ↗78.7% ↗+1.8 ptClaude Fable 5
LiveBench Instruction Following (LiveBench)75.8% ↗71.4% ↗+4.4 ptClaude Fable 5
LiveBench Language (LiveBench)90.7% ↗85.5% ↗+5.2 ptClaude Fable 5
LiveBench Mathematics (LiveBench)96% ↗84.4% ↗+11.6 ptClaude Fable 5
LiveBench Reasoning (LiveBench)89.7% ↗90.7% ↗-1 ptKimi K3
LMArena Agent (LMArena)0.0821 ↗0.0418 ↗0Tie
LMArena WebDev (LMArena)1625.3 ↗1657.8 ↗-32.5Kimi K3
Mystery Game Puzzles (Epoch AI run)52% ↗epoch run26% ↗epoch run+26 ptClaude Fable 5
OfficeQA Pro57.9% ↗63.3% ↗-5.4 ptKimi K3
OSWorld-Verified85% ↗84.8% ↗+0.2 ptClaude Fable 5
OTIS Mock AIME 2024-2025 (Epoch AI run)100% ↗epoch run97.2% ↗epoch run+2.8 ptClaude Fable 5
SAGE (Vals AI)51.9% ↗52.8% ↗-0.9 ptKimi K3
SimpleBench (SimpleBench)81.9% ↗60.7% ↗+21.2 ptClaude Fable 5
SimpleQA Verified70.7% ↗epoch run50.6% ↗epoch run+20.1 ptClaude Fable 5
tau2-bench Banking Knowledge (Sierra)39.7% ↗37.1% ↗+2.6 ptClaude Fable 5
Terminal-Bench 2.184.3% ↗88.3% ↗-4 ptKimi K3
Terminal-Bench 4.0 (Vals AI)41.4% ↗17.2% ↗+24.2 ptClaude Fable 5
Vending-Bench 2 (Andon Labs)5680.26 ↗5165.04 ↗+515.2Claude Fable 5
WeirdML (Håvard Tveit Ihle)91.9% ↗82.6% ↗+9.3 ptClaude Fable 5
Only Claude Fable 5 reports · 13
SWE-bench Verified95% ↗not reported——
Blueprint-Bench 238.6% ↗not reported——
CursorBench72.9% ↗not reported——
EBR-bench (Epoch AI run)39.5% ↗epoch runnot reported——
FrontierCode (Diamond)29.3% ↗not reported——
GDP.pdf29.8% ↗not reported——
GSO Opt@1 (GSO)76.5% ↗not reported——
Legal Agent Benchmark (Harvey's Held-Out Set)13.3% ↗not reported——
LMArena Vision (LMArena)1308.8 ↗not reported——
MirrorCode (Epoch AI run)63.9% ↗epoch runnot reported——
OSWorld-Verified (XLANG)86% ↗not reported——
SWE-Bench Pro80% ↗not reported——
SWE-rebench 2026-05-15 to 2026-07-01 (Nebius)64.5% ↗not reported——
Only Kimi K3 reports · 49
AIME 2026not reported96.7% ↗matharena ⚠——
Humanity's Last Exam (no tools)not reported43.5% ↗——
AA-Briefcasenot reported1548 ↗——
AA-LCRnot reported74.7% ↗——
Agents' Last Examnot reported28.3% ↗——
APEX-Agentsnot reported41% ↗——
BabyVision (with Python)not reported85.7% ↗——
BrowseComp (1M context, no compaction)not reported90.4% ↗——
BrowseComp (context compaction)not reported91.2% ↗——
CharXiv Reasoning (no tools)not reported84.8% ↗——
CharXiv Reasoning (with Python)not reported91.3% ↗——
CorpFin v2not reported71.6% ↗——
CritPtnot reported23.4% ↗——
DeepSearchQA (F1)not reported95% ↗——
DeepSWE v1.1not reported67.3% ↗——
DeepSWE v1.1 (Kimi Code)not reported67.5% ↗——
Finance Agent v2not reported54.4% ↗——
FrontierSWEnot reported81.2% ↗——
GDPval-AA v2not reported1686 ↗——
Harvey Lab-AAnot reported94.6% ↗——
Humanity's Last Exam (with tools)not reported56% ↗——
JobBenchnot reported54.3% ↗——
Kimi Code Bench 2.0not reported72.9% ↗——
Legal Research Benchnot reported44.2% ↗——
MathVision (no tools)not reported94.3% ↗——
MathVision (with Python)not reported97.8% ↗——
MCP-Atlasnot reported84.2% ↗——
MCPMark-Verifiednot reported94.5% ↗——
MLS-Bench-Litenot reported48.3% ↗——
MMMU-Pro (no tools)not reported81.6% ↗——
MMMU-Pro (with Python)not reported83.4% ↗——
MMVUnot reported82.1% ↗——
OmniDocBenchnot reported91.1% ↗——
OSWorld 2.0not reported58.3% ↗——
PerceptionBenchnot reported58.5% ↗——
PostTrainBenchnot reported36.6% ↗——
ProgramBenchnot reported77.8% ↗——
ResearchRubricsnot reported76.2% ↗——
SaaS-Benchnot reported60.1% ↗——
SciCodenot reported58.7% ↗——
SpreadsheetBench 2not reported34.8% ↗——
SWE-Marathonnot reported42% ↗——
tau3-Bankingnot reported33.4% ↗——
Toolathlon-Verifiednot reported76.5% ↗——
Toolathlon-Verified (HKUST)not reported76.5% ↗——
Video-MME (with subtitles)not reported90% ↗——
WorldVQA ForceAnswernot reported51% ↗——
ZeroBench pass@5 (no tools)not reported23% ↗——
ZeroBench pass@5 (with Python)not reported41% ↗——
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 Fable 5 minus Kimi K3 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 Fable 5Kimi K3Edge
Context window1M tokens1.0M tokensKimi K3
Max output128K tokens1.0M tokensKimi K3
Input price / 1M$10 ↗$3 ↗Kimi K3
Output price / 1M$50 ↗$15 ↗Kimi K3
Cached input / 1M$1 ↗$0.3 ↗Kimi K3
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$60$18Kimi K3
Modalitiestext · visiontext · visionTie
Released2026-06-092026-07-16—
Cited benchmark scores4487—
Reliability

Provider status

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