[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"compare-claude-fable-5-vs-gpt-41-nano":3},{"modelA":4,"modelB":9,"categories":14,"faq":53,"winsA":63,"winsB":64,"relatedArticles":65,"otherComparisons":85},{"name":5,"provider":6,"pricing":7,"highlights":8},"Claude Fable 5","Anthropic","$10\u002F$50","Anthropic’s newly released flagship Claude model, positioned for high-end reasoning and long-context agentic work.",{"name":10,"provider":11,"pricing":12,"highlights":13},"GPT-4.1 Nano","OpenAI","$0.10\u002F$0.40","Ultra-low-cost OpenAI model highlighted in 2026 pricing comparisons for lightweight agent and utility workloads.",[15,19,25,31,36,40,43,46,49],{"key":16,"label":17,"valueA":6,"valueB":11,"winner":18},"provider","Provider","tie",{"key":20,"label":21,"valueA":22,"valueB":23,"winner":24},"context","Context Window","1M","128K","a",{"key":26,"label":27,"valueA":28,"valueB":29,"winner":30},"pricingInput","Input Price ($\u002F1M)","$10","$0.1","b",{"key":32,"label":33,"valueA":34,"valueB":35,"winner":30},"pricingOutput","Output Price ($\u002F1M)","$50","$0.4",{"key":37,"label":38,"valueA":39,"valueB":39,"winner":18},"arena","Arena ELO","N\u002FA",{"key":41,"label":42,"valueA":39,"valueB":39,"winner":18},"coding","Coding",{"key":44,"label":45,"valueA":39,"valueB":39,"winner":18},"reasoning","Reasoning",{"key":47,"label":48,"valueA":39,"valueB":39,"winner":18},"speed","Speed (tokens\u002Fsec)",{"key":50,"label":51,"valueA":52,"valueB":52,"winner":18},"openSource","Open Source","No",[54,57,60],{"question":55,"answer":56},"Which is cheaper, Claude Fable 5 or GPT-4.1 Nano?","GPT-4.1 Nano is approximately 99% cheaper than Claude Fable 5 per million tokens.",{"question":58,"answer":59},"Which has a larger context window?","Claude Fable 5 supports 1M context, while GPT-4.1 Nano supports 128K.",{"question":61,"answer":62},"Is Claude Fable 5 or GPT-4.1 Nano open source?","Claude Fable 5 is proprietary. GPT-4.1 Nano is proprietary.",1,2,[66,70,73,76,79,82],{"slug":67,"title":68,"language":69},"anthropic-github-repositories-claude-code-push-en","91 Anthropic GitHub repos showcase Claude Code push","en",{"slug":71,"title":72,"language":69},"claude-design-assets-to-design-system-en","Claude Design turns assets into a team design system",{"slug":74,"title":75,"language":69},"claude-vs-gpt-vs-gemini-coding-benchmark-leaderboard-en","Claude vs GPT vs Gemini: Coding Benchmark Leaderboard",{"slug":77,"title":78,"language":69},"claude-partner-program-anthropic-channel-en","Claude Partner Program turns Anthropic into a channel",{"slug":80,"title":81,"language":69},"anthropic-claude-enterprise-databricks-aws-en","Anthropic pushes Claude deeper into enterprise data",{"slug":83,"title":84,"language":69},"three-multimodal-models-work-in-claude-code-en","Three multimodal models now work in Claude Code",[86,91,96,101,106,111,116,121],{"slugA":87,"labelA":88,"slugB":89,"labelB":90},"claude-fable-5-vs-claude-opus-45","Claude Fable 5 vs Claude Opus 4.5","claude-opus-45-vs-gpt-41-nano","GPT-4.1 Nano vs Claude Opus 4.5",{"slugA":92,"labelA":93,"slugB":94,"labelB":95},"claude-fable-5-vs-llama-4-scout","Claude Fable 5 vs Llama 4 Scout","gpt-41-nano-vs-llama-4-scout","GPT-4.1 Nano vs Llama 4 Scout",{"slugA":97,"labelA":98,"slugB":99,"labelB":100},"claude-fable-5-vs-claude-sonnet-46","Claude Fable 5 vs Claude Sonnet 4.6","claude-sonnet-46-vs-gpt-41-nano","GPT-4.1 Nano vs Claude Sonnet 4.6",{"slugA":102,"labelA":103,"slugB":104,"labelB":105},"claude-fable-5-vs-claude-haiku-45","Claude Fable 5 vs Claude Haiku 4.5","claude-haiku-45-vs-gpt-41-nano","GPT-4.1 Nano vs Claude Haiku 4.5",{"slugA":107,"labelA":108,"slugB":109,"labelB":110},"claude-fable-5-vs-glm-52","Claude Fable 5 vs GLM-5.2","glm-52-vs-gpt-41-nano","GPT-4.1 Nano vs GLM-5.2",{"slugA":112,"labelA":113,"slugB":114,"labelB":115},"claude-fable-5-vs-qwen-36","Claude Fable 5 vs Qwen 3.6","gpt-41-nano-vs-qwen-36","GPT-4.1 Nano vs Qwen 3.6",{"slugA":117,"labelA":118,"slugB":119,"labelB":120},"claude-fable-5-vs-gpt-4o","Claude Fable 5 vs GPT-4o","gpt-41-nano-vs-gpt-4o","GPT-4.1 Nano vs GPT-4o",{"slugA":122,"labelA":123,"slugB":124,"labelB":125},"claude-fable-5-vs-deepseek-r1","Claude Fable 5 vs DeepSeek R1","deepseek-r1-vs-gpt-41-nano","GPT-4.1 Nano vs DeepSeek R1"]