Compare · ModelsLive · 3 picked · head to head

Claude Fable 5 vs GPT-5.6 Sol vs Kimi K3

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Claude Fable 5 wins 16 of 24 shared benchmarks. Leads in agentic · reasoning · coding.

Category leads
agentic·Claude Fable 5reasoning·Claude Fable 5knowledge·GPT-5.6 Solcoding·Claude Fable 5general·Claude Fable 5math·Claude Fable 5speed·Claude Fable 5
Hype vs Reality
Claude Fable 5
#27 by perf·#12 by attention
UNDERRATED
GPT-5.6 Sol
#30 by perf·#4 by attention
DESERVED
Kimi K3
#51 by perf·#17 by attention
UNDERRATED
Best value
1.4x better value than Kimi K3
Claude Fable 5
2.3 pts/$
$30.00/M
GPT-5.6 Sol
11.1 pts/$
$6.00/M
Kimi K3
8.1 pts/$
$7.33/M
Vendor risk
Anthropic logo
Anthropic
$965.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
moonshotai logo
Moonshot AI
$18.0B·Tier 1
Medium risk
Head to head
Claude Fable 5GPT-5.6 SolKimi K3
APEX-Agents
Claude Fable 5 leads by +12.2
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Claude Fable 5
63.6
GPT-5.6 Sol
51.4
Kimi K3
50.6
ARC-AGI
Claude Fable 5 leads by +1.0
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Claude Fable 5
98.5
GPT-5.6 Sol
97.5
Kimi K3
94.5
ARC-AGI-2
GPT-5.6 Sol leads by +3.3
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
89.2
GPT-5.6 Sol
92.5
Kimi K3
60.4
Chess Puzzles
GPT-5.6 Sol leads by +24.2
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude Fable 5
37.9
GPT-5.6 Sol
62.1
Kimi K3
35.8
Deepswe
GPT-5.6 Sol leads by +2.8
Claude Fable 5
69.9
GPT-5.6 Sol
72.7
Kimi K3
68.5
Dtbench
Claude Fable 5 leads by +4.0
Claude Fable 5
97.3
GPT-5.6 Sol
93.3
Kimi K3
85.3
Frontiercode
Claude Fable 5 leads by +6.0
Claude Fable 5
53.5
GPT-5.6 Sol
47.5
Kimi K3
44.2
FrontierMath-Tier-4-v2-Private
Claude Fable 5 leads by +7.3
Claude Fable 5
90.2
GPT-5.6 Sol
82.9
Kimi K3
39.0
FrontierMath-Tiers-1-3-v2-Private
GPT-5.6 Sol leads by +2.1
Claude Fable 5
87.0
GPT-5.6 Sol
89.1
Kimi K3
72.2
Frontierswe
Claude Fable 5 leads by +14.8
Claude Fable 5
47.0
GPT-5.6 Sol
32.2
Kimi K3
25.9
Furniture Assembly
GPT-5.6 Sol leads by +29.8
Claude Fable 5
8.3
GPT-5.6 Sol
38.1
Kimi K3
6.0
GPQA diamond
GPT-5.6 Sol leads by +0.5
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Fable 5
81.1
GPT-5.6 Sol
91.3
Kimi K3
90.8
Lmca
Claude Fable 5 leads by +2.3
Claude Fable 5
71.9
GPT-5.6 Sol
69.7
Kimi K3
62.0
Mystery Game Puzzles
GPT-5.6 Sol leads by +6.6
Claude Fable 5
47.1
GPT-5.6 Sol
53.7
Kimi K3
18.5
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Fable 5
100.0
GPT-5.6 Sol
100.0
Kimi K3
97.2
PostTrainBench
Claude Fable 5 leads by +5.6
Claude Fable 5
41.8
GPT-5.6 Sol
36.2
Kimi K3
32.0
Proofbench
Claude Fable 5 leads by +8.0
Claude Fable 5
95.0
GPT-5.6 Sol
83.0
Kimi K3
87.0
SimpleBench
Claude Fable 5 leads by +12.2
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
Claude Fable 5
78.3
GPT-5.6 Sol
66.0
Kimi K3
52.8
SimpleQA Verified
Claude Fable 5 leads by +1.0
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Fable 5
70.7
GPT-5.6 Sol
69.7
Kimi K3
50.6
Surface Evolver Bench
Claude Fable 5
95.0
GPT-5.6 Sol
93.1
Kimi K3
95.0
WeirdML
Claude Fable 5 leads by +2.5
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Fable 5
91.9
GPT-5.6 Sol
89.4
Kimi K3
82.6
Artificial Analysis · Quality Index
Claude Fable 5 leads by +16.3
Claude Fable 5
59.9
Kimi K3
43.6
Ebr Bench
GPT-5.6 Sol leads by +5.2
Claude Fable 5
39.5
GPT-5.6 Sol
44.8
Mirrorcode
Claude Fable 5 leads by +43.9
Claude Fable 5
63.9
GPT-5.6 Sol
20.0
Full benchmark table
BenchmarkClaude Fable 5GPT-5.6 SolKimi K3
APEX-Agents
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
63.651.450.6
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
98.597.594.5
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.
89.292.560.4
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
37.962.135.8
Deepswe
69.972.768.5
Dtbench
97.393.385.3
Frontiercode
53.547.544.2
FrontierMath-Tier-4-v2-Private
90.282.939.0
FrontierMath-Tiers-1-3-v2-Private
87.089.172.2
Frontierswe
47.032.225.9
Furniture Assembly
8.338.16.0
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
81.191.390.8
Lmca
71.969.762.0
Mystery Game Puzzles
47.153.718.5
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
100.0100.097.2
PostTrainBench
41.836.232.0
Proofbench
95.083.087.0
SimpleBench
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
78.366.052.8
SimpleQA Verified
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
70.769.750.6
Surface Evolver Bench
95.093.195.0
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
91.989.482.6
Artificial Analysis · Quality Index
59.9—43.6
Ebr Bench
39.544.8—
Mirrorcode
63.920.0—
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Anthropic logoClaude Fable 5$10.00$50.001.0M tokens (~500 books)$200.00
OpenAI logoGPT-5.6 Sol$2.00$10.001.1M tokens (~525 books)$40.00
moonshotai logoKimi K3$0.67$14.001.0M tokens (~524 books)$40.03