Compare/GPT-5.4 mini (Non-Reasoning) vs Claude 4.5 Haiku (Non-reasoning)

GPT-5.4 mini (Non-Reasoning)vsClaude 4.5 Haiku (Non-reasoning)

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

OpenAI

GPT-5.4 mini (Non-Reasoning)

Input
$0.75/M
Output
$4.5/M
Speed
202 tok/s
TTFT
0.45s
Anthropic

Claude 4.5 Haiku (Non-reasoning)

Input
$1/M
Output
$5/M
Speed
103 tok/s
TTFT
0.47s

Winner by Category

Cheaper
GPT-5.4 mini (Non-Reasoning)
Faster (tok/s)
GPT-5.4 mini (Non-Reasoning)
Lower Latency
GPT-5.4 mini (Non-Reasoning)
Benchmarks (2-9)
Claude 4.5 Haiku (Non-reasoning)

Pricing Comparison

MetricGPT-5.4 mini (Non-Reasoning)Claude 4.5 Haiku (Non-reasoning)
Input ($/M tokens)$0.75$1
Output ($/M tokens)$4.5$5
Cost for 1M input + 100K output tokens:
GPT-5.4 mini (Non-Reasoning)$1.20
Claude 4.5 Haiku (Non-reasoning)$1.50

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5.4 mini (Non-Reasoning)
202 tok/s
Claude 4.5 Haiku (Non-reasoning)
103 tok/s
Time to First Token (seconds) — lower is better
GPT-5.4 mini (Non-Reasoning)
0.45s
Claude 4.5 Haiku (Non-reasoning)
0.47s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
23.331.1
Coding Index
25.329.6
Math Index
39.0
GPQA Diamond
60.6%64.6%
MMLU-Pro
80.0%
LiveCodeBench
51.1%
AIME 2025
39.0%
MATH-500
Humanity's Last Exam
5.7%4.3%
SciCode
39.6%34.4%
IFBench
38.8%42.0%
TerminalBench
18.2%27.3%
GPT-5.4 mini (Non-Reasoning)2 wins
9 winsClaude 4.5 Haiku (Non-reasoning)

Frequently Asked Questions

Which is cheaper, GPT-5.4 mini (Non-Reasoning) or Claude 4.5 Haiku (Non-reasoning)?

GPT-5.4 mini (Non-Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $1.69/M tokens vs $2.00/M for Claude 4.5 Haiku (Non-reasoning).

Which model performs better on benchmarks?

Claude 4.5 Haiku (Non-reasoning) wins 9 out of 12 benchmarks compared to 2 for GPT-5.4 mini (Non-Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 mini (Non-Reasoning) generates tokens faster at 202 tok/s vs 103 tok/s. GPT-5.4 mini (Non-Reasoning) also has lower time-to-first-token (0.45s vs 0.47s).

When should I use GPT-5.4 mini (Non-Reasoning) vs Claude 4.5 Haiku (Non-reasoning)?

Choose based on your priorities: GPT-5.4 mini (Non-Reasoning) for lower cost, Claude 4.5 Haiku (Non-reasoning) for stronger benchmark performance, and GPT-5.4 mini (Non-Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.