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

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

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

OpenAI

GPT-5.4 mini (medium)

Input
$0.75/M
Output
$4.5/M
Speed
200 tok/s
TTFT
3.77s
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 (medium)
Faster (tok/s)
GPT-5.4 mini (medium)
Lower Latency
Claude 4.5 Haiku (Non-reasoning)
Benchmarks (7-4)
GPT-5.4 mini (medium)

Pricing Comparison

MetricGPT-5.4 mini (medium)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 (medium)$1.20
Claude 4.5 Haiku (Non-reasoning)$1.50

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5.4 mini (medium)
200 tok/s
Claude 4.5 Haiku (Non-reasoning)
103 tok/s
Time to First Token (seconds) — lower is better
GPT-5.4 mini (medium)
3.77s
Claude 4.5 Haiku (Non-reasoning)
0.47s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
37.731.1
Coding Index
37.529.6
Math Index
39.0
GPQA Diamond
82.3%64.6%
MMLU-Pro
80.0%
LiveCodeBench
51.1%
AIME 2025
39.0%
MATH-500
Humanity's Last Exam
17.1%4.3%
SciCode
44.2%34.4%
IFBench
64.8%42.0%
TerminalBench
34.1%27.3%
GPT-5.4 mini (medium)7 wins
4 winsClaude 4.5 Haiku (Non-reasoning)

Frequently Asked Questions

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

GPT-5.4 mini (medium) 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 (medium) 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 (medium) generates tokens faster at 200 tok/s vs 103 tok/s. However, Claude 4.5 Haiku (Non-reasoning) has lower time-to-first-token (0.47s vs 3.77s).

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

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