AI Models · Compare
Claude 4 Opus vs OpenAI o1
Side-by-side intelligence, speed, price, benchmarks, strengths and weaknesses.
Head to head
Spec
Claude 4 Opus
OpenAI o1
Intelligence index↑ better
Winner81
76
Speed↑ better
Winner50 tok/s
32 tok/s
Time to first token↓ better
Winner1.4 s
12 s
Context window↑ better
Winner500k
200k
Max output↑ better
32k
Winner100k
Input price↓ better
Winner$8.00 / 1M tokens
$15.00 / 1M tokens
Output price↓ better
Winner$40.00 / 1M tokens
$60.00 / 1M tokens
Blended price↓ better
Winner$16.00 / 1M tokens
$26.25 / 1M tokens
License
Proprietary
Proprietary
Input modalities
text, image
text, image
Output modalities
text
text
Benchmark showdown
MMLU
Claude 4 Opus
90.0
OpenAI o1
91.8
MMLU Pro
Claude 4 Opus
79.5
OpenAI o1
80.0
GPQA
Claude 4 Opus
65.0
OpenAI o1
78.0
MATH
Claude 4 Opus
88.0
OpenAI o1
94.8
HumanEval
Claude 4 Opus
95.8
OpenAI o1
92.4
Strengths, weaknesses and best-for
Claude 4 Opus
Strengths
- Top HumanEval
- Long, coherent outputs
- 500k context
Weaknesses
- Slower than Sonnet
- Premium price
Best for
- Long-context coding
- Tool-using agents
- Document understanding
OpenAI o1
Strengths
- Tops MATH and GPQA leaderboards
- Self-checks its work
Weaknesses
- Very slow
- Very expensive
- Overkill for simple tasks
Best for
- Research problems
- Olympiad-level math
- Algorithm design
Quick verdict
- Pick Claude 4 Opus if you want it smarter, faster, cheaper and longer context.
Auto-generated from the spec sheet. Always validate on your own evals.
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