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

Claude 4.5 Haiku (Non-reasoning)vsGPT-5.4 mini (xhigh)

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

Anthropic

Claude 4.5 Haiku (Non-reasoning)

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

GPT-5.4 mini (xhigh)

Input
$0.75/M
Output
$4.5/M
Speed
219 tok/s
TTFT
3.82s

Winner by Category

Cheaper
GPT-5.4 mini (xhigh)
Faster (tok/s)
GPT-5.4 mini (xhigh)
Lower Latency
Claude 4.5 Haiku (Non-reasoning)
Benchmarks (4-7)
GPT-5.4 mini (xhigh)

Pricing Comparison

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

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude 4.5 Haiku (Non-reasoning)
103 tok/s
GPT-5.4 mini (xhigh)
219 tok/s
Time to First Token (seconds) — lower is better
Claude 4.5 Haiku (Non-reasoning)
0.47s
GPT-5.4 mini (xhigh)
3.82s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
31.148.1
Coding Index
29.651.5
Math Index
39.0
GPQA Diamond
64.6%87.5%
MMLU-Pro
80.0%
LiveCodeBench
51.1%
AIME 2025
39.0%
MATH-500
Humanity's Last Exam
4.3%26.6%
SciCode
34.4%49.9%
IFBench
42.0%73.3%
TerminalBench
27.3%52.3%
Claude 4.5 Haiku (Non-reasoning)4 wins
7 winsGPT-5.4 mini (xhigh)

Frequently Asked Questions

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

GPT-5.4 mini (xhigh) 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?

GPT-5.4 mini (xhigh) wins 7 out of 12 benchmarks compared to 4 for Claude 4.5 Haiku (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 mini (xhigh) generates tokens faster at 219 tok/s vs 103 tok/s. Claude 4.5 Haiku (Non-reasoning) also has lower time-to-first-token (0.47s vs 3.82s).

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

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