Skip to main content
idapt
HomeCodeAI ModelsPricing
Sign inStart free trial
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Agents
  • Computers
  • Drive
  • Automations
  • AI Gateway
  • All features →
  • LLM cost calculator
  • Token counter
  • All free tools →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Benchmarks
  • Demos
  • 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)

o4-mini (High) vs Claude Fable 5

At a glance

o4-mini with reasoning effort locked to high for maximum accuracy.

79200K ctx$1.10/$4.40 per M#30/92

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

921M ctx$10.00/$50.00 per M#2/92
Demos
All demos

No shared 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
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper90%
Capability
CapabilityECI78.6
Reasoning & Knowledge
Graduate Science79.6%Expert-Level18.1%Factual Recall23.9%
Math
Math Problems97.8%Competition Math81.7%Research Math24.8%
Coding
Code Editing72.0%
Agentic
Novel Reasoning6.1%Task Horizon1.3h
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter17%
Capability
CapabilityECI17%91.6
Reasoning & Knowledge
Graduate Science—Expert-Level—Factual Recall186%68.3%
Math
Math Problems—Competition Math22%99.7%Research Math—
Coding
Code Editing—
Agentic
Novel Reasoning—Task Horizon—
Specs
200K
Context
100K
Max output
Apr 2025
Released
1M
Context
128K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input89%$1.10/M tokens
Output91%$4.40/M tokens
Cache read73%$0.28/M tokens
Web search$0.01/search
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 search$0.01/search
Chat with o4-mini (High)Go to model
Chat with Claude Fable 5Go to model
Frequently Asked Questions: o4-mini (High) vs Claude Fable 5▼

Which is better, o4-mini (High) or Claude Fable 5?

▼

Based on the Capability Index, Claude Fable 5 scores higher (91.6 vs 78.6). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, o4-mini (High) or Claude Fable 5?

▼

o4-mini (High) has a lower blended cost. o4-mini (High): $1.10 input / $4.40 output. Claude Fable 5: $10.00 input / $50.00 output.

Which has a larger context window, o4-mini (High) or Claude Fable 5?

▼

Claude Fable 5 has a larger context window: o4-mini (High) supports 200K tokens vs Claude Fable 5 at 1M tokens.

Do both o4-mini (High) and Claude Fable 5 support vision?

▼

Yes, both o4-mini (High) and Claude Fable 5 support vision/image input.

What are the key differences between o4-mini (High) and Claude Fable 5?

▼

Key differences: Claude Fable 5 has a notably higher capability index (13.0 point gap); o4-mini (High) 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 o4-mini (High) and Claude Fable 5 for free on idapt.app to see which performs better for your specific needs.

Open in App