Compare · ModelsLive · 2 picked · head to head
Claude Fable 5.1 vs Kimi K3
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Fable 5.1 wins on 22/23 benchmarks
Claude Fable 5.1 wins 22 of 23 shared benchmarks. Leads in speed · agentic · reasoning.
Category leads
speed·Claude Fable 5.1agentic·Claude Fable 5.1reasoning·Claude Fable 5.1knowledge·Claude Fable 5.1general·Claude Fable 5.1coding·Claude Fable 5.1math·Claude Fable 5.1
Hype vs Reality
Attention vs performance
Claude Fable 5.1
#16 by perf·#12 by attention
Kimi K3
#51 by perf·#17 by attention
Best value
Kimi K3
3.1x better value than Claude Fable 5.1
Claude Fable 5.1
2.4 pts/$
$30.00/M
Kimi K3
7.4 pts/$
$8.10/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
Moonshot AI
$18.0B·Tier 1
Head to head
23 benchmarks · 2 models
Claude Fable 5.1Kimi K3
Artificial Analysis · CritPt
Claude Fable 5.1 leads by +6.3
Claude Fable 5.1
29.7
Kimi K3
23.4
Artificial Analysis · GDPval
Claude Fable 5.1 leads by +9.7
Claude Fable 5.1
61.7
Kimi K3
52.0
Artificial Analysis · GPQA Diamond
Claude Fable 5.1 leads by +0.2
Claude Fable 5.1
93.7
Kimi K3
93.5
Artificial Analysis · Humanity's Last Exam
Claude Fable 5.1 leads by +12.2
Claude Fable 5.1
59.1
Kimi K3
46.9
Artificial Analysis · Long Context Reasoning
Kimi K3 leads by +3.4
Claude Fable 5.1
85.3
Kimi K3
88.7
Artificial Analysis · Quality Index
Claude Fable 5.1 leads by +9.8
Claude Fable 5.1
53.4
Kimi K3
43.6
Artificial Analysis · SciCode
Claude Fable 5.1 leads by +3.6
Claude Fable 5.1
63.1
Kimi K3
59.5
APEX-Agents
Claude Fable 5.1 leads by +18.0
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Claude Fable 5.1
68.6
Kimi K3
50.6
ARC-AGI
Claude Fable 5.1 leads by +3.0
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Claude Fable 5.1
97.5
Kimi K3
94.5
ARC-AGI-2
Claude Fable 5.1 leads by +29.6
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
Claude Fable 5.1
90.0
Kimi K3
60.4
Chess Puzzles
Claude Fable 5.1 leads by +8.4
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude Fable 5.1
44.2
Kimi K3
35.8
Dtbench
Claude Fable 5.1 leads by +10.7
Claude Fable 5.1
96.0
Kimi K3
85.3
Frontiercode
Claude Fable 5.1 leads by +6.7
Claude Fable 5.1
50.9
Kimi K3
44.2
FrontierMath-Tier-4-v2-Private
Claude Fable 5.1 leads by +48.8
Claude Fable 5.1
87.8
Kimi K3
39.0
FrontierMath-Tiers-1-3-v2-Private
Claude Fable 5.1 leads by +18.0
Claude Fable 5.1
90.2
Kimi K3
72.2
Frontierswe
Claude Fable 5.1 leads by +30.4
Claude Fable 5.1
56.3
Kimi K3
25.9
Furniture Assembly
Claude Fable 5.1 leads by +51.2
Claude Fable 5.1
57.1
Kimi K3
6.0
Lmca
Claude Fable 5.1 leads by +15.0
Claude Fable 5.1
77.0
Kimi K3
62.0
Mystery Game Puzzles
Claude Fable 5.1 leads by +35.3
Claude Fable 5.1
53.7
Kimi K3
18.5
OTIS Mock AIME 2024-2025
Claude Fable 5.1 leads by +2.8
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Fable 5.1
100.0
Kimi K3
97.2
Proofbench
Claude Fable 5.1 leads by +13.0
Claude Fable 5.1
100.0
Kimi K3
87.0
SimpleQA Verified
Claude Fable 5.1 leads by +20.2
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Fable 5.1
70.8
Kimi K3
50.6
WeirdML
Claude Fable 5.1 leads by +10.3
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Fable 5.1
92.9
Kimi K3
82.6
Full benchmark table
| Benchmark | Claude Fable 5.1 | Kimi K3 |
|---|---|---|
Artificial Analysis · CritPt | 29.7 | 23.4 |
Artificial Analysis · GDPval | 61.7 | 52.0 |
Artificial Analysis · GPQA Diamond | 93.7 | 93.5 |
Artificial Analysis · Humanity's Last Exam | 59.1 | 46.9 |
Artificial Analysis · Long Context Reasoning | 85.3 | 88.7 |
Artificial Analysis · Quality Index | 53.4 | 43.6 |
Artificial Analysis · SciCode | 63.1 | 59.5 |
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 68.6 | 50.6 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 97.5 | 94.5 |
ARC-AGI-2 ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data. | 90.0 | 60.4 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 44.2 | 35.8 |
Dtbench | 96.0 | 85.3 |
Frontiercode | 50.9 | 44.2 |
FrontierMath-Tier-4-v2-Private | 87.8 | 39.0 |
FrontierMath-Tiers-1-3-v2-Private | 90.2 | 72.2 |
Frontierswe | 56.3 | 25.9 |
Furniture Assembly | 57.1 | 6.0 |
Lmca | 77.0 | 62.0 |
Mystery Game Puzzles | 53.7 | 18.5 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 100.0 | 97.2 |
Proofbench | 100.0 | 87.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 70.8 | 50.6 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 92.9 | 82.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $10.00 | $50.00 | 1.0M tokens (~500 books) | $200.00 | |
| $2.70 | $13.50 | 1.0M tokens (~524 books) | $54.00 |