Current benchmark matchup
Claude Fable 5 vs GPT-5.6 Sol
Compare current scores, source confidence, price, context, capabilities, and focused Design Arena results for both models.
Claude Fable 5
Anthropic
Vibe Coding Index
67.0
High confidence
GPT-5.6 Sol
OpenAI
Vibe Coding Index
66.5
High confidence
Current VCI result
Claude Fable 5 leads by 0.5 VCI points.
This result follows the current published source evidence and can change when a scheduled refresh finds newer measurements.
Exact score differences
Side-by-side benchmark data
Measure
Claude Fable 5
GPT-5.6 Sol
Vibe Coding Index
67.0
66.5
Intelligence
59.9
57.7
Coding
81.3
81.8
Agentic
52.8
51.8
Blended price
$22
$11.25
Context window
1,000,000
1,050,000
Claude Fable 5 evidence
100% core coverageComplete core scores supported by at least two current verified sources.
Include reasoningMax completion tokensMax tokensReasoningReasoning effortResponse formatStopStructured outputs
GPT-5.6 Sol evidence
100% core coverageComplete core scores supported by at least two current verified sources.
Include reasoningMax completion tokensMax tokensReasoningReasoning effortResponse formatSeedStructured outputs