Claude Fable 5 vs
Gemini 3.1 Pro

Read the published evidence, route context, and missing facts before making a local decision. This page does not name a universal winner.

Models in this comparison

Provider identity and evidence state stay balanced across the pair.

A
Model type
Proprietary
Evidence state
Supported evidence
Published context
1,000,000
VS
Model type
Proprietary
Evidence state
Estimated evidence
Published context
1,000,000

Key implications

Insufficient shared-metric coverage. Each finding is tied to a published metric, price, context, or modality fact.

  1. Input API price: Gemini 3.1 Pro has the lower verified rate ($2 / 1M tokens vs $10 / 1M tokens).
  2. Output API price: Gemini 3.1 Pro has the lower verified rate ($12 / 1M tokens vs $50 / 1M tokens).

Shared metric view

A radar is shown only when at least four compatible supported score metrics are published.

Comparable metric detail

  • AgenticClaude Fable 5: 75.54 · Gemini 3.1 Pro: 33.84
  • CodingClaude Fable 5: 81.41 · Gemini 3.1 Pro: 49.3
  • KnowledgeClaude Fable 5: 67.4 · Gemini 3.1 Pro: 66.7
  • MathClaude Fable 5: Unavailable · Gemini 3.1 Pro: 55.1
  • MultimodalGroundedClaude Fable 5: 60.8 · Gemini 3.1 Pro: 76.8
  • ReasoningClaude Fable 5: Unavailable · Gemini 3.1 Pro: 72.4
  • OverallClaude Fable 5: 83.15 · Gemini 3.1 Pro: 56.25

Source metrics

Friendly metric names and published units stay visible. Missing measurements remain unavailable rather than becoming a score.

Source metric comparison
MetricUnitClaude Fable 5Gemini 3.1 Pro
Agenticscore75.5433.84
Codingscore81.4149.3
Knowledgescore67.466.7
MathscoreUnavailable55.1
MultimodalGroundedscore60.876.8
ReasoningscoreUnavailable72.4
Overallscore83.1556.25

Agentic

Unit
score
Claude Fable 5
75.54
Gemini 3.1 Pro
33.84

Coding

Unit
score
Claude Fable 5
81.41
Gemini 3.1 Pro
49.3

Knowledge

Unit
score
Claude Fable 5
67.4
Gemini 3.1 Pro
66.7

Math

Unit
score
Claude Fable 5
Unavailable
Gemini 3.1 Pro
55.1

MultimodalGrounded

Unit
score
Claude Fable 5
60.8
Gemini 3.1 Pro
76.8

Reasoning

Unit
score
Claude Fable 5
Unavailable
Gemini 3.1 Pro
72.4

Overall

Unit
score
Claude Fable 5
83.15
Gemini 3.1 Pro
56.25

Pricing and context

Verification is shown beside each selected route. Missing facts remain Not verified.

Route pricing and context comparison
FieldUnitClaude Fable 5Gemini 3.1 Pro
Input API priceUSD / 1M tokens$10$2
Cached input API priceUSD / 1M tokens$1$0.2
Output API priceUSD / 1M tokens$50$12
Route contexttokens1,000,0001,000,000
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
Claude Fable 5
$10
Gemini 3.1 Pro
$2

Cached input API price

Unit
USD / 1M tokens
Claude Fable 5
$1
Gemini 3.1 Pro
$0.2

Output API price

Unit
USD / 1M tokens
Claude Fable 5
$50
Gemini 3.1 Pro
$12

Route context

Unit
tokens
Claude Fable 5
1,000,000
Gemini 3.1 Pro
1,000,000

Input modalities

Unit
published list
Claude Fable 5
Not verified
Gemini 3.1 Pro
Not verified

Output modalities

Unit
published list
Claude Fable 5
Not verified
Gemini 3.1 Pro
Not verified

Evidence provenance

Source records, route identity, timestamps, and methodology are consolidated here without declaring either model a winner.

Publication time
Aug 30, 2026, 2:15 AM UTC
Freshness
Stale — Published weekly benchmark evidence has not refreshed within 8 days.
Methodology
benchlm: benchlm_raw_composite
Model records
  • Claude Fable 5 — source benchlm · artifact models · model claude-fable-5
  • Gemini 3.1 Pro — source benchlm · artifact models · model gemini-3-1-pro
Selected price routes
  • Claude Fable 5 — route benchlm:claude-fable-5 · source benchlm · provider anthropic
  • Gemini 3.1 Pro — route benchlm:gemini-3-1-pro · source benchlm · provider google

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