OpenRouter’s Jeff Wang said Fable 5.1 is smarter with much better cache-hit economics, so they can offer it at under half the price of Fable 5 while improving fusion routing. That shows gateways can pass Anthropic’s cache-read cut through as an immediate end-user price win.

Key Takeaways

  • ✓OpenRouter prices Fable 5.1 at under half of Fable 5, driven by cache-hit savings.
  • ✓Fusion routing keeps improving as open- and closed-source cost curves keep falling.
  • ✓Gateway users get Anthropic’s cache-read cut as an immediate sticker-price drop.
⚡

Key Decision Metrics at a Glance

TL;DR Verdict
🏆 Benchmark RankRank
See how it ranks on the leaderboard
Full Leaderboard→
💰 Cost & PlansCompare
OpenRouter prices Fable 5.1 at under half of Fable 5, driven by cache-hit savings.
Compare Plans↗
🛠️ Ecosystem & IDERules
OpenRouter · Fable 5.1 · pricing
Setup IDE Rules↗
🧭

Turn your technical choice into a development budget

Compare 40 dev plans & simulate token costs vs $20/mo subscriptions

⚔️ Compare Model→💰 Compare plans & limits↗
Action HubReady to adopt this in production?

Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.

⚔️ Launch VS Compare→💳 View Plans↗
Up Nextyetone open-sources Magpie: one menu-bar picker for Claude Code/Codex/Gemini CLI; local gateway translates OpenAI/Anthropic/Gemini APIs (~4282★)
Read Now→