Compare/Claude 3.5 Haiku vs o4-mini (high)

Claude 3.5 Haikuvso4-mini (high)

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

Anthropic

Claude 3.5 Haiku

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

o4-mini (high)

Input
$1.1/M
Output
$4.4/M
Speed
145 tok/s
TTFT
26.75s

Winner by Category

Cheaper
Claude 3.5 Haiku
Faster (tok/s)
o4-mini (high)
Lower Latency
Claude 3.5 Haiku
Benchmarks (0-12)
o4-mini (high)

Pricing Comparison

MetricClaude 3.5 Haikuo4-mini (high)
Input ($/M tokens)$0.8$1.1
Output ($/M tokens)$4$4.4
Cost for 1M input + 100K output tokens:
Claude 3.5 Haiku$1.20
o4-mini (high)$1.54

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude 3.5 Haiku
o4-mini (high)
145 tok/s
Time to First Token (seconds) — lower is better
Claude 3.5 Haiku
o4-mini (high)
26.75s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.733.1
Coding Index
10.725.6
Math Index
90.7
GPQA Diamond
40.8%78.4%
MMLU-Pro
63.4%83.2%
LiveCodeBench
31.4%85.9%
AIME 2025
90.7%
MATH-500
72.1%98.9%
Humanity's Last Exam
3.5%17.5%
SciCode
27.4%46.5%
IFBench
42.8%68.7%
TerminalBench
2.3%15.2%
Claude 3.5 Haiku0 wins
12 winso4-mini (high)

Frequently Asked Questions

Which is cheaper, Claude 3.5 Haiku or o4-mini (high)?

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 o4-mini (high).

Which model performs better on benchmarks?

o4-mini (high) wins 12 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?

o4-mini (high) generates tokens faster at 145 tok/s vs 0 tok/s. Claude 3.5 Haiku also has lower time-to-first-token (0.00s vs 26.75s).

When should I use Claude 3.5 Haiku vs o4-mini (high)?

Choose based on your priorities: Claude 3.5 Haiku for lower cost, o4-mini (high) for stronger benchmark performance, and o4-mini (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.