Claude Fable 5 vs Gemini 3.1 Pro for venture capital
As of October 11, 2026, Claude Fable 5 ranks ahead of Gemini 3.1 Pro on all 3 judged venture tasks: company discovery, market maps and investment memos. In 30 judged battles between them, Claude Fable 5 won 28 and Gemini 3.1 Pro won 1, and 1 was a tie. Claude Fable 5 costs about 9 cents per answer, and Gemini 3.1 Pro about 3 cents.
Task scores are out of 100 and blend quality 70%, cost 15% and speed 15%.
When they met
- Investment memoPhysical Intelligence — robot foundation model lab (π0) with a who's-who teamClaude Fable 5 won
- Investment memoCognition — maker of Devin, the autonomous software engineer, acquirer of WindsurfClaude Fable 5 won
- Investment memoRamp — corporate cards and finance automation, now pushing an AI agendaClaude Fable 5 won
- Investment memoAbridge — AI clinical documentation for health systemsClaude Fable 5 won
- Investment memoLangChain — from OSS agent framework to LangSmith observability platformClaude Fable 5 won
- Investment memoVercel — frontend cloud + v0 AI app generation, riding the Next.js ecosystemClaude Fable 5 won
- Investment memoAnduril — defense tech prime challenger: autonomy, drones, Lattice OSClaude Fable 5 won
- Investment memoLinear — project management tool with cult developer following, moving into AIClaude Fable 5 won
Questions about Claude Fable 5 and Gemini 3.1 Pro
Is Claude Fable 5 better than Gemini 3.1 Pro for venture capital work?
As of October 11, 2026, Claude Fable 5 ranks ahead of Gemini 3.1 Pro on all 3 judged venture tasks: company discovery, market maps and investment memos. In 30 judged battles between them, Claude Fable 5 won 28 and Gemini 3.1 Pro won 1, and 1 was a tie. Claude Fable 5 costs about 9 cents per answer, and Gemini 3.1 Pro about 3 cents.
Which is better for company discovery, Claude Fable 5 or Gemini 3.1 Pro?
Claude Fable 5. On vcrouter's company discovery board it ranks 1st of 5 with a score of 63 out of 100, and Gemini 3.1 Pro ranks 2nd with 58. In 10 direct battles between them, Claude Fable 5 won 8 and Gemini 3.1 Pro won 1, and 1 was a tie.
Which is better for market maps, Claude Fable 5 or Gemini 3.1 Pro?
Claude Fable 5. On vcrouter's market map board it ranks 1st of 5 with a score of 61 out of 100, and Gemini 3.1 Pro ranks 5th with 38. In 10 direct battles between them, Claude Fable 5 won 10 and Gemini 3.1 Pro won 0.
Which is better for investment memos, Claude Fable 5 or Gemini 3.1 Pro?
Claude Fable 5. On vcrouter's investment memo board it ranks 2nd of 5 with a score of 56 out of 100, and Gemini 3.1 Pro ranks 5th with 41. In 10 direct battles between them, Claude Fable 5 won 10 and Gemini 3.1 Pro won 0.
Which is cheaper, Claude Fable 5 or Gemini 3.1 Pro?
Gemini 3.1 Pro. It costs about 3 cents per answer on vcrouter's tasks, and Claude Fable 5 costs about 9 cents, about 3 times as much.
Which is faster, Claude Fable 5 or Gemini 3.1 Pro?
Gemini 3.1 Pro. Its median answer takes 22 seconds, and Claude Fable 5 takes 29.