Claude Fable 5 vs Qwen3.7 Plus Preview
Wins 6 of 8 areas
Coding · Agents · Reasoning · Images and charts · Math · Long documents
Wins 1 of 8 areas
Following instructions
Claude Fable 5 is the stronger all-rounder.Qwen3.7 Plus Preview is cheaper and better at following instructions.
Scores updated · 34 tests both models report · How we compare
Where each one wins
Tests won in each of the eight areas we test. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.
- CodingWriting and fixing software60Claude Fable 56 of 6 tests
- AgentsCarrying out multi-step tasks on its own60Claude Fable 56 of 6 tests
- ReasoningHard problems that need careful thinking30Claude Fable 53 of 3 tests
- Images and chartsUnderstanding pictures, charts and video20Claude Fable 52 of 2 tests
- MathCompetition and research-level math10Claude Fable 51 of 1 test
- Long documentsFinding answers in very long texts10Claude Fable 51 of 1 test
- Following instructionsDoing exactly what it is asked01Qwen3.7 Plus Preview1 of 1 test
- FactsGetting facts right instead of making them up11Even1 each
Math, 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.
Qwen3.7 Plus Preview costs 97% 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 Claude Fable 5 pulls ahead
- Unpublished advanced math problemsFrontierMath Tiers 1-3 (v2)+52.6points ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+42.9points ahead
- Real work tasks from 44 professionsGDPVal+42.1points ahead
Where Qwen3.7 Plus Preview pulls ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+35.9points ahead
- Follows unfamiliar, precisely checkable instructionsIFBench+14.5points ahead
Every test, side by side
All 34 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingClaude Fable 5
- Terminal-Bench 2.1Claude Fable 5 by 23.684.661+23.6
- SWE-bench ProClaude Fable 5 by 22.48057.6+22.4
- SWE-bench VerifiedClaude Fable 5 by 17.39577.7+17.3
- Terminal-Bench HardClaude Fable 5 by 15.962.947+15.9
- SciCodeClaude Fable 5 by 14.96146.1+14.9
- SWE-bench MultilingualClaude Fable 5 by 10.886.675.8+10.8
AgentsClaude Fable 5
- GDPValClaude Fable 5 by 42.155.513.4+42.1
- Terminal-Bench 4.0Claude Fable 5 by 41.442.41+41.4
- AA ApexAgentsClaude Fable 5 by 20.943.322.4+20.9
- τ-Bench V3 · BankingClaude Fable 5 by 20.638.117.5+20.6
- OSWorld-VerifiedClaude Fable 5 by 11.78573.3+11.7
- MCP AtlasClaude Fable 5 by 11.584.773.2+11.5
ReasoningClaude Fable 5
- Humanity's Last ExamClaude Fable 5 by 19.955.535.6+19.9
- CritPtClaude Fable 5 by 19.528.69.1+19.5
- GPQA DiamondClaude Fable 5 by 2.692.690+2.6
FactsEven
- AA-Omniscience · AccuracyClaude Fable 5 by 42.965.322.5+42.9
- AA-Omniscience · Non-hallucinationQwen3.7 Plus Preview by 35.936.472.3+35.9
Images and chartsClaude Fable 5
- LMArena · VisionClaude Fable 5 by 49 rating points13261277+49 rating
- MMMU-ProClaude Fable 5 by 3.784.280.5+3.7
Following instructionsQwen3.7 Plus Preview
- IFBenchQwen3.7 Plus Preview by 14.563.578+14.5
Other results12 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.
- DeepSWE 1.1Claude Fable 5 by 53.57016.5+53.5
- OSWorld 2.0 (partial)Claude Fable 5 by 51.472.921.5+51.4
- AA-OmniscienceClaude Fable 5 by 42.243.31.1+42.2
- AA Agentic IndexClaude Fable 5 by 31.35119.7+31.3
- JobBenchClaude Fable 5 by 29.857.427.6+29.8
- Toolathlon VerifiedClaude Fable 5 by 27.377.950.6+27.3
- AA IntelligenceClaude Fable 5 by 24.449.625.2+24.4
- Artificial Analysis Coding IndexClaude Fable 5 by 20.676.555.9+20.6
- Finance Agent v2Claude Fable 5 by 18.156.338.2+18.1
- GDP (Surge AI)Claude Fable 5 by 17.629.812.2+17.6
- Agents' Last ExamClaude Fable 5 by 12.525.713.2+12.5
- τ²-Bench Telecom (AA run)Claude Fable 5 by 5.598.593+5.5
Questions people ask
Which is better, Claude Fable 5 or Qwen3.7 Plus Preview?
Claude Fable 5 wins six of the eight areas we test: coding, agents, reasoning, images and charts, math and long documents. Qwen3.7 Plus Preview wins following instructions, and costs 97% less. They are level on facts.
Which is better for coding?
Claude Fable 5. It wins 6 of the 6 coding tests both models report; Qwen3.7 Plus Preview wins none.
Which is cheaper?
Claude Fable 5 costs $10.00 per million input tokens and $50.00 per million output tokens; Qwen3.7 Plus Preview costs $0.40 and $1.60. That makes Qwen3.7 Plus Preview about 97% cheaper for the same work.
How do you compare the two?
We use the 34 benchmark tests both models have published scores on. The verdict counts the 22 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 12 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.