GPT-5.6 Sol vs. Claude Fable 5: 7 Things to Know
Is OpenAI's new model really better than Claude Fable 5, or just $20 cheaper per million tokens?
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OpenAI GPT-5.6 Sol rivals Claude Fable 5 intelligence at one-third the cost
OpenAI released its GPT-5.6 model family this week, comprising three tiers — Sol, Terra, and Luna — targeting different price-performance tr

GPT-5.6 Sol: A Cost-Effective Challenger in the AI Race
OpenAI's GPT-5.6 Sol nearly matches Claude Fable 5 in performance, but at a fraction of the cost. It raises the stakes in AI pricing.

GPT-5.6 Sol nearly matches Fable 5 on aggregated benchmarks at one-third the cost
OpenAI's GPT-5.6 Sol scores 59 points on the Artificial Analysis Intelligence Index, just one point behind Claude Fable 5. At $1.04 per task
Claude Fable 5 vs GPT-5.5: Anthropic's Frontier Tier vs OpenAI's Flagship (2026)
Fable 5 reports 80.3% SWE-bench Pro vs 58.6% for GPT-5.5 — at twice the price ($10 vs $5 input, $50 vs $30 output per million). Our split 20
OpenAI Launches GPT-5.6 Family after U.S. Security Review, Compares Sol with Claude Fable 5
OpenAI on Thursday launched its GPT-5.6 family of artificial intelligence models, Sol, Terra and Luna, marking the general availability of i
OpenAI rolls out its latest GPT-5.6 Sol model
OpenAI CEO Sam Altman told CNBC that its GPT-5.6 Sol model is 54% more token efficient on agentic coding tasks. CNBC’s Kate Rooney reports.

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