Compare/o3-mini (high) vs Claude 3.5 Haiku

o3-mini (high)vsClaude 3.5 Haiku

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

OpenAI

o3-mini (high)

Input
$1.1/M
Output
$4.4/M
Speed
148 tok/s
TTFT
23.74s
Anthropic

Claude 3.5 Haiku

Input
$0.8/M
Output
$4/M
Speed
TTFT

Winner by Category

Cheaper
Claude 3.5 Haiku
Faster (tok/s)
o3-mini (high)
Lower Latency
Claude 3.5 Haiku
Benchmarks (10-0)
o3-mini (high)

Pricing Comparison

Metrico3-mini (high)Claude 3.5 Haiku
Input ($/M tokens)$1.1$0.8
Output ($/M tokens)$4.4$4
Cost for 1M input + 100K output tokens:
o3-mini (high)$1.54
Claude 3.5 Haiku$1.20

Speed Comparison

Output Speed (tokens/s) — higher is better
o3-mini (high)
148 tok/s
Claude 3.5 Haiku
Time to First Token (seconds) — lower is better
o3-mini (high)
23.74s
Claude 3.5 Haiku

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
25.218.7
Coding Index
17.310.7
Math Index
GPQA Diamond
77.3%40.8%
MMLU-Pro
80.2%63.4%
LiveCodeBench
73.4%31.4%
AIME 2025
MATH-500
98.5%72.1%
Humanity's Last Exam
12.3%3.5%
SciCode
39.8%27.4%
IFBench
67.1%42.8%
TerminalBench
6.1%2.3%
o3-mini (high)10 wins
0 winsClaude 3.5 Haiku

Frequently Asked Questions

Which is cheaper, o3-mini (high) or Claude 3.5 Haiku?

Claude 3.5 Haiku is cheaper overall. Its blended price (3:1 input/output ratio) is $1.60/M tokens vs $1.93/M for o3-mini (high).

Which model performs better on benchmarks?

o3-mini (high) wins 10 out of 12 benchmarks compared to 0 for Claude 3.5 Haiku. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

o3-mini (high) generates tokens faster at 148 tok/s vs 0 tok/s. However, Claude 3.5 Haiku has lower time-to-first-token (0.00s vs 23.74s).

When should I use o3-mini (high) vs Claude 3.5 Haiku?

Choose based on your priorities: Claude 3.5 Haiku for lower cost, o3-mini (high) for stronger benchmark performance, and o3-mini (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.