Compare/Claude 4 Opus (Non-reasoning) vs o3-pro

Claude 4 Opus (Non-reasoning)vso3-pro

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

Anthropic

Claude 4 Opus (Non-reasoning)

Input
$15/M
Output
$75/M
Speed
39 tok/s
TTFT
1.24s
OpenAI

o3-pro

Input
$20/M
Output
$80/M
Speed
21 tok/s
TTFT
89.23s

Winner by Category

Cheaper
Claude 4 Opus (Non-reasoning)
Faster (tok/s)
Claude 4 Opus (Non-reasoning)
Lower Latency
Claude 4 Opus (Non-reasoning)
Benchmarks (8-2)
Claude 4 Opus (Non-reasoning)

Pricing Comparison

MetricClaude 4 Opus (Non-reasoning)o3-pro
Input ($/M tokens)$15$20
Output ($/M tokens)$75$80
Cost for 1M input + 100K output tokens:
Claude 4 Opus (Non-reasoning)$22.50
o3-pro$28.00

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude 4 Opus (Non-reasoning)
39 tok/s
o3-pro
21 tok/s
Time to First Token (seconds) — lower is better
Claude 4 Opus (Non-reasoning)
1.24s
o3-pro
89.23s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
33.040.7
Coding Index
Math Index
36.3
GPQA Diamond
70.1%84.5%
MMLU-Pro
86.0%
LiveCodeBench
54.2%
AIME 2025
36.3%
MATH-500
94.1%
Humanity's Last Exam
5.9%
SciCode
40.9%
IFBench
43.3%
TerminalBench
Claude 4 Opus (Non-reasoning)8 wins
2 winso3-pro

Frequently Asked Questions

Which is cheaper, Claude 4 Opus (Non-reasoning) or o3-pro?

Claude 4 Opus (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $30.00/M tokens vs $35.00/M for o3-pro.

Which model performs better on benchmarks?

Claude 4 Opus (Non-reasoning) wins 8 out of 12 benchmarks compared to 2 for o3-pro. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Claude 4 Opus (Non-reasoning) generates tokens faster at 39 tok/s vs 21 tok/s. Claude 4 Opus (Non-reasoning) also has lower time-to-first-token (1.24s vs 89.23s).

When should I use Claude 4 Opus (Non-reasoning) vs o3-pro?

Choose based on your priorities: Claude 4 Opus (Non-reasoning) for lower cost, Claude 4 Opus (Non-reasoning) for stronger benchmark performance, and Claude 4 Opus (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.