Claude Fable 5.1 vs Claude Haiku 5.5
aka Fable 5.1 vs Haiku 5.5
- CheaperClaude Haiku 5.51/1 postsmedian gap ~27×
- FasterClaude Haiku 5.51/1 postsmedian gap ~4×
As stated in each post, not a controlled benchmark.
Posts
1Same prompt, separate runs
2Not a controlled comparison: prompts, tools and time differ.
About this matchup
Claude Fable 5.1 vs Claude Haiku 5.5 in real side-by-side tests: 1 post from X where both got the same prompt; 1 post reports cost or time. Judge coding ability from the actual outputs.
Fable 5.1 vs Haiku 5.5: which is better for coding?
Which is better for coding, Fable 5.1 or Haiku 5.5?
None of the 1 post here names one of the two as the better result, so judge the outputs above for the work you care about.
Which is cheaper, Fable 5.1 or Haiku 5.5?
1 post states a cost for both: Claude Haiku 5.5 was cheaper in it (~27× cheaper). These are the costs the posts state for each run, not list prices.
Which is faster, Fable 5.1 or Haiku 5.5?
1 post states a time for both: Claude Haiku 5.5 was faster in it (~4× faster). Times are as stated in each post; tools and settings differ between posts.
Summary
Claude Fable 5.1 and Claude Haiku 5.5 appear together in 1 post on X: red supercar cruising Miami at night in Blender (@MrTacticalX). It is part of larger lineups with other models. In @MrTacticalX's red supercar cruising Miami at night in Blender, Claude Haiku 5.5 was cheaper ($1.37 vs $36.80) and faster (22 min vs 1 h 29 min), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Author’s verdict | Post |
|---|---|---|---|---|---|---|
| Red supercar cruising Miami at night in Blender@MrTacticalX | Claude Haiku 5.5 | 22 min | $1.37 | — | — | X post |
| Red supercar cruising Miami at night in Blender@MrTacticalX | Claude Fable 5.1 | 1 h 29 min | $36.80 | — | The author says Claude Opus 5.5 clearly beats Claude Fable 5.1 again. | X post |
Only numbers stated in each post. “—” means the post doesn’t say.
Who won where
1- Red supercar cruising Miami at night in BlenderThe author says Claude Opus 5.5 clearly beats Claude Fable 5.1 again.— the author’s view, @MrTacticalX (paraphrased)




