Compare/o1 vs Claude 4.1 Opus (Reasoning)

o1vsClaude 4.1 Opus (Reasoning)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

OpenAI

o1

Input
$15/M
Output
$60/M
Speed
113 tok/s
TTFT
20.72s
Anthropic

Claude 4.1 Opus (Reasoning)

Input
$15/M
Output
$75/M
Speed
40 tok/s
TTFT
9.31s

Winner by Category

Cheaper
o1
Faster (tok/s)
o1
Lower Latency
Claude 4.1 Opus (Reasoning)
Benchmarks (3-9)
Claude 4.1 Opus (Reasoning)

Pricing Comparison

Metrico1Claude 4.1 Opus (Reasoning)
Input ($/M tokens)$15$15
Output ($/M tokens)$60$75
Cost for 1M input + 100K output tokens:
o1$21.00
Claude 4.1 Opus (Reasoning)$22.50

Speed Comparison

Output Speed (tokens/s) — higher is better
o1
113 tok/s
Claude 4.1 Opus (Reasoning)
40 tok/s
Time to First Token (seconds) — lower is better
o1
20.72s
Claude 4.1 Opus (Reasoning)
9.31s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
30.842.0
Coding Index
20.536.5
Math Index
80.3
GPQA Diamond
74.7%80.9%
MMLU-Pro
84.1%88.0%
LiveCodeBench
67.9%65.4%
AIME 2025
80.3%
MATH-500
97.0%
Humanity's Last Exam
7.7%11.9%
SciCode
35.8%40.9%
IFBench
70.3%55.4%
TerminalBench
12.9%34.3%
o13 wins
9 winsClaude 4.1 Opus (Reasoning)

Frequently Asked Questions

Which is cheaper, o1 or Claude 4.1 Opus (Reasoning)?

o1 is cheaper overall. Its blended price (3:1 input/output ratio) is $26.25/M tokens vs $30.00/M for Claude 4.1 Opus (Reasoning).

Which model performs better on benchmarks?

Claude 4.1 Opus (Reasoning) wins 9 out of 12 benchmarks compared to 3 for o1. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

o1 generates tokens faster at 113 tok/s vs 40 tok/s. However, Claude 4.1 Opus (Reasoning) has lower time-to-first-token (9.31s vs 20.72s).

When should I use o1 vs Claude 4.1 Opus (Reasoning)?

Choose based on your priorities: o1 for lower cost, Claude 4.1 Opus (Reasoning) for stronger benchmark performance, and o1 for faster generation. For latency-sensitive apps, check the TTFT comparison above.