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Claude Fable Latest vs o1

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Fable Latest and o1.

Anthropic

Claude Fable Latest

This model always redirects to the latest model in the Claude Fable family.

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OpenAI

o1

The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason...

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Technical Specifications

SpecificationClaude Fable Latesto1
ProviderAnthropicOpenAI
Context Window1,000,000 tokens200,000 tokens
Agent SuitabilityN/A88/100
Time to First Token (TTFT)N/A2500 ms
Deployment Modelmanaged apimanaged api
Production Stabilitybetastable
API AvailableYesYes
Released Date2026-06-092024-12-17

API Pricing Comparison

Input Price per Million Tokens

Claude Fable Latest

$10.00

o1

$15.00

Output Price per Million Tokens

Claude Fable Latest

$50.00

o1

$60.00

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
N/Avs9180.0%
Claude Fable Latest
o1
HumanEvalPython coding & logic synthesis
N/Avs9450.0%
Claude Fable Latest
o1
MATHComplex mathematical problem solving
N/Avs9480.0%
Claude Fable Latest
o1
GPQAGraduate-level expert reasoning
N/Avs7830.0%
Claude Fable Latest
o1
HellaSwagCommonsense reasoning and inference
N/Avs9200.0%
Claude Fable Latest
o1
MT-BenchMulti-turn conversation flow quality
N/Avs940.0%
Claude Fable Latest
o1

Claude Fable Latest Quirks & Gotchas

No developer gotchas reported.

o1 Quirks & Gotchas

  • โ–ธReasoning model โ€” high latency by design, not for real-time use
  • โ–ธBest for complex math/code reasoning where accuracy > speed
  • โ–ธUse o3-mini when you need reasoning with lower latency