Anthropic Claude Fable 5 VS xAI Grok 4.5
⚖️Our Take
This matchup represents a clear tradeoff between peak intelligence and budget efficiency. Claude Fable 5 is noticeably superior (holding a 8.3% average lead in benchmarks), but it carries a massive 6.7x price premium. Choose Claude Fable 5 if you need top-tier reasoning or code debugging, but for high-volume pipelines, Grok 4.5 is the smarter business decision.
Was this recommendation helpful?
Benchmarks & Scores
Coding (swe-bench-pro)Winner (+15.6%)
80.3%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)Winner (+1.1%)
94.1%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)
$20.00Input: $10.00 | Output: $50.00Context WindowLarger
1.05M tokensBenchmarks & Scores
Coding (swe-bench-pro)
64.7%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)
93%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)6.7x cheaper
$3.00Input: $2.00 | Output: $6.00Context Window
500k tokensFrequently Asked Questions about Claude Fable 5 vs Grok 4.5 comparison
Grok 4.5 is cheaper than Claude Fable 5. Grok 4.5 has a blended cost of $3.00/1M tokens, which is about 6.7x cheaper than Claude Fable 5 at $20.00/1M tokens.
Claude Fable 5 is better for coding tasks on this benchmark. It scores 80.3% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to Grok 4.5 which scores 64.7%.
Related Matchups
Explore similar comparisons for Claude Fable 5 and Grok 4.5.