Which is better, Claude Fable 5 or Kimi K3?

Across 59 shared benchmarks tracked on Vector Wire, Claude Fable 5 leads on 38 and Kimi K3 leads on 20 — Claude Fable 5 leads on more. Strengths differ by axis; the table below shows every head-to-head number with provenance.

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Claude Fable 5 vs Kimi K3

AnthropicvsMoonshot59 shared benchmarks38–20 head-to-head

Benchmark	Claude Fable 5	Kimi K3
AA Agentic Index	56.6	54.3
AA Intelligence	62.1	60
AA-LCR	76.7	82.7
AA-Omniscience	43.3	46
Agents' Last Exam	25.7	28.3
apex_agents	59.2	41
arc_agi_1	90.5	65.7
ARC-AGI-2	76.8	12.4
arena_elo	1508	1489
arena_text_factuality	1486	1471
Artificial Analysis Coding Index	76.5	76.2
baby_vision_with_python	90.5	85.7
browsecomp	88	91.2
charxiv_rq	89.4	84.8
coding_arena_elo	1626	1674
CorpFin v2	71.8	71.6
critpt	28.6	23.4
deepsearchqa_f1	94.2	95
DeepSWE	70	67.5
DeepSWE 1.1	70	69
Finance Agent v2	56.3	54.4
gdpval	61.9	59.4
GDPval-AA v2	1760	1687
GDPval-AA v2 (Elo)	1747	1686
GPQA Diamond	92.6	93.5
HLE	64.5	56
JobBench	57.4	54.3
Legal Research Bench	49.5	44.2
livebench_agentic_coding	62.2	62.2
livebench_coding	86	81.5
livebench_data_analysis	80.5	78.7
livebench_instruction_following	75.8	71.4
livebench_language	90.7	85.5
livebench_math	96	84.4
livebench_reasoning	89.7	90.7
mathvision	94.8	97.8
MCP Atlas	84.7	84.2
MCP Mark Verified	87.4	94.5
MLS Bench Lite	49.9	48.3
MMMU-Pro	84.2	83.4
officeqa_pro	69.9	63.3
OmniDocBench	89.8	91.1
OmniScience Accuracy	65.3	47.6
OmniScience Non-Hallucination	36.4	49.1
OSWorld 2.0	66.1	58.3
OSWorld-Verified	85	84.8
PerceptionBench	57.2	58.5
PostTrainBench	41.4	36.6
Program Bench	76.8	77.8
scicode	60.2	58.7
simplebench	81.9	60.7
simpleqa_verified	68.3	42.7
SpreadsheetBench 2	34.7	34.8
SWE-Marathon	35	42
Tau 3 Banking	26.8	33.4
TauBench V3 - Banking	38.1	46
Terminal-Bench 2.1	88	88.3
toolathlon	61.7	73.2
WorldVQA ForceAnswer	56.7	51

Best tracked score per model per benchmark (default configuration; source-attributed). ↓ marks lower-is-better metrics. Open either model for its full surface, provenance and pricing.