Claude Fable 5 vs Kimi Linear 48B A3B Instruct
Wins 4 of 4 areas
Coding · Reasoning · Long documents · Following instructions
Wins 0 of 4 areas
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Claude Fable 5 is the stronger all-rounder.
Scores updated · 9 tests both models report · How we compare
Where each one wins
Tests won in each of the four areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.
Long documents and following instructions rest on a single test each.
What it costs
Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.
The biggest differences
The tests each model wins by the widest margin, up to three each. Scores are out of 100.
Where Claude Fable 5 pulls ahead
- Reasons across sets of long documentsAA-LCR+54.3points ahead
- Very hard expert questions across many subjectsHumanity's Last Exam+53points ahead
- Hard command-line tasks in a real terminalTerminal-Bench Hard+51.5points ahead
Where Kimi Linear 48B A3B Instruct pulls ahead
No clear win on a test scored out of 100.
Every test, side by side
All 9 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingClaude Fable 5
- Terminal-Bench HardClaude Fable 5 by 51.562.911.4+51.5
- SciCodeClaude Fable 5 by 41.16119.9+41.1
ReasoningClaude Fable 5
- Humanity's Last ExamClaude Fable 5 by 5355.52.5+53
- GPQA DiamondClaude Fable 5 by 51.492.641.2+51.4
Following instructionsClaude Fable 5
- IFBenchClaude Fable 5 by 35.463.528.1+35.4
Other results3 tests, not counted
Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.
- τ²-Bench Telecom (AA run)Claude Fable 5 by 98.598.50+98.5
- Artificial Analysis Coding IndexClaude Fable 5 by 62.376.514.2+62.3
- AA IntelligenceClaude Fable 5 by 42.349.67.3+42.3
Questions people ask
Which is better, Claude Fable 5 or Kimi Linear 48B A3B Instruct?
Claude Fable 5 wins all four areas where both have results: coding, reasoning, long documents and following instructions. Kimi Linear 48B A3B Instruct wins none.
Which is better for coding?
Claude Fable 5. It wins 2 of the 2 coding tests both models report; Kimi Linear 48B A3B Instruct wins none.
How do you compare the two?
We use the 9 benchmark tests both models have published scores on. The verdict counts the 6 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 3 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.