Compare · ModelsLive · 2 picked · head to head

Claude Sonnet 4.6 vs o1

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Claude Sonnet 4.6 wins 5 of 5 shared benchmarks. Leads in reasoning · math · knowledge.

Category leads
reasoning·Claude Sonnet 4.6math·Claude Sonnet 4.6knowledge·Claude Sonnet 4.6coding·Claude Sonnet 4.6
Hype vs Reality
Claude Sonnet 4.6
#104 by perf·#18 by attention
UNDERRATED
o1
#59 by perf·no signal
QUIET
Best value
3.5x better value than o1
Claude Sonnet 4.6
5.3 pts/$
$9.00/M
o1
1.5 pts/$
$37.50/M
Vendor risk
Anthropic logo
Anthropic
$380.0B·Tier 1
Medium risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
Claude Sonnet 4.6o1
ARC-AGI
Claude Sonnet 4.6 leads by +55.8
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Claude Sonnet 4.6
86.5
o1
30.7
FrontierMath-2025-02-28-Private
Claude Sonnet 4.6 leads by +23.1
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
Claude Sonnet 4.6
32.4
o1
9.3
GPQA diamond
Claude Sonnet 4.6 leads by +14.1
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Sonnet 4.6
83.2
o1
69.0
OTIS Mock AIME 2024-2025
Claude Sonnet 4.6 leads by +12.5
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Sonnet 4.6
85.8
o1
73.3
WeirdML
Claude Sonnet 4.6 leads by +22.2
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Sonnet 4.6
66.1
o1
43.8
Full benchmark table
BenchmarkClaude Sonnet 4.6o1
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
86.530.7
FrontierMath-2025-02-28-Private
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
32.49.3
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
83.269.0
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
85.873.3
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
66.143.8
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Anthropic logoClaude Sonnet 4.6$3.00$15.001.0M tokens (~500 books)$60.00
OpenAI logoo1$15.00$60.00200K tokens (~100 books)$262.50