Claude Fable 5 vs GPT-5.2
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
GPT-5.2 by OpenAI wins on 6 of 11 benchmarks against Claude Fable 5 by Anthropic, which leads on 5. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Coding: In coding, Claude Fable 5 scores 95.0% on SWE-bench Verified compared to GPT-5.2's 80.0%, while Claude Fable 5 scores 1334 on Design Arena ELO compared to GPT-5.2's 1173, while Claude Fable 5 scores 1309 on Website Arena ELO compared to GPT-5.2's 1167.
Reasoning: In reasoning, GPT-5.2 scores 87.9% on GPQA Diamond compared to Claude Fable 5's 83.8%, while Claude Fable 5 scores 80.2% on τ²-Bench Airline compared to GPT-5.2's 73.3%.
Context: In context, Claude Fable 5 scores 1.0M on Context Length compared to GPT-5.2's 400K.
Pricing Comparison
Claude Fable 5 costs $10.0/1M input tokens and $50.0/1M output tokens, while GPT-5.2 costs $1.8/1M input and $14.0/1M output. GPT-5.2 is the more affordable option for API usage.
Speed Comparison
Claude Fable 5 generates output at 60 tok/s compared to GPT-5.2's 90 tok/s, and the time to first token is 81680 ms for Claude Fable 5 versus 380 ms for GPT-5.2. GPT-5.2 delivers faster throughput.
Verdict
For developers prioritizing coding, Claude Fable 5 has the edge. For those who value affordability and speed, GPT-5.2 is the stronger choice.
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Claude Fable 5 vs GPT-5.2 — FAQ
Which is better, Claude Fable 5 or GPT-5.2?
GPT-5.2 wins on more benchmarks overall (6 vs 5). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude Fable 5 compare to GPT-5.2 for coding?
Claude Fable 5 is better for coding, scoring 95.0% on SWE-bench Verified compared to 80.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is Claude Fable 5 cheaper than GPT-5.2?
Yes, GPT-5.2 is cheaper. Claude Fable 5 costs $10.0/1M input and $50.0/1M output tokens. GPT-5.2 costs $1.8/1M input and $14.0/1M output tokens.
Which is faster, Claude Fable 5 or GPT-5.2?
GPT-5.2 is faster, generating output at 90 tok/s compared to 60 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude Fable 5 vs GPT-5.2 comparison cover?
This comparison covers 11 benchmarks including SWE-bench Verified, GPQA Diamond, Output Speed, Time to First Token, Input Cost, Output Cost, Context Length, Cached Input Cost, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.