Skip to main content
idapt
HomeCodeAI ModelsPricing
Sign inStart free
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Voice Mode
  • Voice HUD
  • Web Search
  • Image Generation
  • Video Generation
  • Audio Generation
  • Transcription
  • Drive
  • Credentials
  • Sharing
  • Workspaces
  • Tasks
  • Memory
  • Agents
  • Subagents
  • Automations
  • Skills
  • idapt Code
  • Code Execution
  • Computers
  • Computer Use
  • Computer Assist · Soon
  • Containers · Soon
  • Cloud Computers
  • Local AI
  • AI Gateway
  • API & SDK
  • CLI
  • MCP
  • Tunnels
  • All features →
  • LLM cost calculator
  • Token counter
  • Context window checker
  • Can I run it
  • Model picker quiz
  • Savings finder
  • Video cost estimator
  • Text to speech cost
  • Transcription cost
  • API endpoint tester
  • All free tools →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Skills
  • Learn
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • idapt Code
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)

Claude Fable 5 vs Gemini 3.1 Flash Lite

At a glance

Anthropic's Mythos-class flagship for ambitious, long-running professional work.

921M ctx$10.00/$50.00 per M#2/92

Google's high-efficiency model for high-volume use cases at half the cost of Gemini 3 Flash.

771.0M ctx$0.25/$1.50 per M#37/92
Agent Demos
All agent demos

No shared agent demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter19%
Capability
CapabilityECI19%91.6
Reasoning & Knowledge
Expert-Level—Factual Recall68.3%
Math
Competition Math99.7%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper97%
Capability
CapabilityECI76.7
Reasoning & Knowledge
Expert-Level8.6%Factual Recall—
Math
Competition Math—
Specs
1M
Context
128K
Max output
Jun 2026
Released
1.0M
Context
66K
Max output
Mar 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$10.00/M tokens
Output$50.00/M tokens
Cache read$1.00/M tokens
Cache write$12.50/M tokens
Web search29%$0.01/search
Live pricing, shown before you run
Input98%$0.25/M tokens
Output97%$1.50/M tokens
Reasoning$1.50/M tokens
Cache read98%$0.02/M tokens
Cache write99%$0.08/M tokens
Image input$0.25/M tokens
Audio input$0.50/M tokens
Web search$0.01/search
Chat with Claude Fable 5Go to model
Chat with Gemini 3.1 Flash LiteGo to model
Frequently Asked Questions: Claude Fable 5 vs Gemini 3.1 Flash Lite▼

Which is better, Claude Fable 5 or Gemini 3.1 Flash Lite?

▼

Based on the Capability Index, Claude Fable 5 scores higher (91.6 vs 76.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Claude Fable 5 or Gemini 3.1 Flash Lite?

▼

Gemini 3.1 Flash Lite has a lower blended cost. Claude Fable 5: $10.00 input / $50.00 output. Gemini 3.1 Flash Lite: $0.25 input / $1.50 output.

Which has a larger context window, Claude Fable 5 or Gemini 3.1 Flash Lite?

▼

Gemini 3.1 Flash Lite has a larger context window: Claude Fable 5 supports 1M tokens vs Gemini 3.1 Flash Lite at 1M tokens.

Do both Claude Fable 5 and Gemini 3.1 Flash Lite support vision?

▼

Yes, both Claude Fable 5 and Gemini 3.1 Flash Lite support vision/image input.

What are the key differences between Claude Fable 5 and Gemini 3.1 Flash Lite?

▼

Key differences: Claude Fable 5 has a notably higher capability index (14.9 point gap); Gemini 3.1 Flash Lite is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Fable 5 and Gemini 3.1 Flash Lite for free on idapt.app to see which performs better for your specific needs.

Open in App