Claude Fable 5 vs Gemini 3.1 Pro

Best cell per row highlighted. Null means undisclosed — never counted as zero.

Anthropic
Claude Fable 5GA
9.5
AI Panel
Google
Gemini 3.1 Propreview
8.7
AI Panel

Identity & lifecycle

ProviderAnthropicGoogle
Family / tierClaude 5 · FableGemini 3 · Pro
StatusGApreview
Released2026-06-092026-02-19
Knowledge cutoff2026-012025-01

Architecture & context

Context window1M1.0M
Max output tokens128K66K
Input modalitiestext, image, filetext, image, audio, video
Reasoning modealwaysoptional
Open weightsNoNo

Pricing (per Mtok)

Input$10$2
Output$50$12
Cached input$1$0.2
Batch input$5$1
Free tierNoNo

Speed

Output speed (tok/s)—142.7
Time to first token (s)—30.78
Latency tierslowslow

Trust & deployment

Trains on inputsNoNo
LicenseProprietaryProprietary
CloudsBedrock, Vertex AI, Azure AI FoundryVertex AI, GCP
ComplianceSOC2, HIPAA, GDPR, ISO27001SOC2, HIPAA, GDPR, ISO27001, FedRAMP, CCPA

AI Panel scoring

Unified score9.58.7
Decision Maker9.59
Domain Strategist9.59
Finance Lead78.5
Domain Practitioner9.58.5
Power User98.5
Skeptic7.57.5
Value score6.58.5

Benchmarks

MMLU—92.6
GPQA Diamond—94.3
SWE-bench Verified9580.6
LiveCodeBench—2887
MMMU—80.5
TAU-bench—90.8
Terminal-Bench8868.5
MRCR Long Context—84.9
Humanity's Last Exam—44.4
LMArena Elo15061487
LMArena Coding Elo15521520

Scores link to their sources. Missing cells mean the vendor hasn't disclosed a result — honesty over padding.