Claude Fable 5 vs Kimi K3.1 Pro
Wins 0 of 4 areas
—
Wins 3 of 4 areas
Coding · Agents · Images and charts
Kimi K3.1 Pro is the stronger all-rounder.
Scores updated · 19 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.
Coding and images and charts 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.
Kimi K3.1 Pro costs 80% less for the same work.
The biggest differences
The tests each model wins by the widest margin, up to three each. Scores are out of 100.
Where Kimi K3.1 Pro pulls ahead
- Long professional tasks in banking, consulting and lawAA ApexAgents+23.9points ahead
- Harder college exam questions with imagesMMMU-Pro+5.8points ahead
- Finds hard-to-locate facts by browsing the webBrowseComp+4.7points ahead
Where Claude Fable 5 pulls ahead
- Very hard expert questions across many subjectsHumanity's Last Exam+4.4points ahead
Every test, side by side
All 19 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingKimi K3.1 Pro
- LMArena · WebDevKimi K3.1 Pro by 71 rating points16241695+71 rating
AgentsKimi K3.1 Pro
- AA ApexAgentsKimi K3.1 Pro by 23.943.367.2+23.9
- BrowseCompKimi K3.1 Pro by 4.787.492.1+4.7
ReasoningEven
- Humanity's Last ExamClaude Fable 5 by 4.455.551.1+4.4
- GPQA DiamondKimi K3.1 Pro by 1.692.694.2+1.6
Other results13 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.
- Program BenchClaude Fable 5 by 54.886.331.5+54.8
- Terminal-Bench 4.0Kimi K3.1 Pro by 21.244.565.7+21.2
- Agents' Last ExamKimi K3.1 Pro by 17.525.743.2+17.5
- SWE-MarathonKimi K3.1 Pro by 16.73551.7+16.7
- Terminal-Bench-Science 0.1Kimi K3.1 Pro by 13.424.738.1+13.4
- OfficeQA ProKimi K3.1 Pro by 9.557.967.4+9.5
- HLE (with tools)Kimi K3.1 Pro by 6.263.870+6.2
- DeepSWEKimi K3.1 Pro by 5.57075.5+5.5
- DeepSWE 1.1Kimi K3.1 Pro by 5.57075.5+5.5
- PostTrainBenchClaude Fable 5 by 4.941.436.5+4.9
- GDP (Surge AI)Kimi K3.1 Pro by 4.829.834.6+4.8
- charxiv_rq_with_pythonKimi K3.1 Pro by 489.493.4+4
- AA IntelligenceClaude Fable 5 by 3.649.646+3.6
Questions people ask
Which is better, Claude Fable 5 or Kimi K3.1 Pro?
Kimi K3.1 Pro wins three of the four areas where both have results: coding, agents and images and charts. Claude Fable 5 wins none. They are level on reasoning.
Which is better for coding?
Kimi K3.1 Pro. It wins the one coding test both models report.
Which is cheaper?
Claude Fable 5 costs $10.00 per million input tokens and $50.00 per million output tokens; Kimi K3.1 Pro costs $2.00 and $10.00. That makes Kimi K3.1 Pro about 80% cheaper for the same work.
How do you compare the two?
We use the 19 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 13 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.