Compare/Claude 3 Opus vs o1

Claude 3 Opusvso1

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

Anthropic

Claude 3 Opus

Input
$15/M
Output
$75/M
Speed
TTFT
OpenAI

o1

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

Winner by Category

Cheaper
o1
Faster (tok/s)
o1
Lower Latency
Claude 3 Opus
Benchmarks (0-10)
o1

Pricing Comparison

MetricClaude 3 Opuso1
Input ($/M tokens)$15$15
Output ($/M tokens)$75$60
Cost for 1M input + 100K output tokens:
Claude 3 Opus$22.50
o1$21.00

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude 3 Opus
o1
113 tok/s
Time to First Token (seconds) — lower is better
Claude 3 Opus
o1
20.72s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.030.8
Coding Index
19.520.5
Math Index
GPQA Diamond
48.9%74.7%
MMLU-Pro
69.6%84.1%
LiveCodeBench
27.9%67.9%
AIME 2025
MATH-500
64.1%97.0%
Humanity's Last Exam
3.1%7.7%
SciCode
23.3%35.8%
IFBench
70.3%
TerminalBench
12.9%
Claude 3 Opus0 wins
10 winso1

Frequently Asked Questions

Which is cheaper, Claude 3 Opus or o1?

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

Which model performs better on benchmarks?

o1 wins 10 out of 12 benchmarks compared to 0 for Claude 3 Opus. 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 0 tok/s. Claude 3 Opus also has lower time-to-first-token (0.00s vs 20.72s).

When should I use Claude 3 Opus vs o1?

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