Compare/Claude 4 Sonnet (Non-reasoning) vs GPT-5.4 (Non-reasoning)

Claude 4 Sonnet (Non-reasoning)vsGPT-5.4 (Non-reasoning)

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

Anthropic

Claude 4 Sonnet (Non-reasoning)

Input
$3/M
Output
$15/M
Speed
47 tok/s
TTFT
1.00s
OpenAI

GPT-5.4 (Non-reasoning)

Input
$2.5/M
Output
$15/M
Speed
61 tok/s
TTFT
0.57s

Winner by Category

Cheaper
GPT-5.4 (Non-reasoning)
Faster (tok/s)
GPT-5.4 (Non-reasoning)
Lower Latency
GPT-5.4 (Non-reasoning)
Benchmarks (5-7)
GPT-5.4 (Non-reasoning)

Pricing Comparison

MetricClaude 4 Sonnet (Non-reasoning)GPT-5.4 (Non-reasoning)
Input ($/M tokens)$3$2.5
Output ($/M tokens)$15$15
Cost for 1M input + 100K output tokens:
Claude 4 Sonnet (Non-reasoning)$4.50
GPT-5.4 (Non-reasoning)$4.00

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude 4 Sonnet (Non-reasoning)
47 tok/s
GPT-5.4 (Non-reasoning)
61 tok/s
Time to First Token (seconds) — lower is better
Claude 4 Sonnet (Non-reasoning)
1.00s
GPT-5.4 (Non-reasoning)
0.57s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
33.035.4
Coding Index
30.641.0
Math Index
38.0
GPQA Diamond
68.3%74.8%
MMLU-Pro
83.7%
LiveCodeBench
44.9%
AIME 2025
38.0%
MATH-500
93.4%
Humanity's Last Exam
4.0%10.6%
SciCode
37.3%47.1%
IFBench
45.4%48.4%
TerminalBench
27.3%37.9%
Claude 4 Sonnet (Non-reasoning)5 wins
7 winsGPT-5.4 (Non-reasoning)

Frequently Asked Questions

Which is cheaper, Claude 4 Sonnet (Non-reasoning) or GPT-5.4 (Non-reasoning)?

GPT-5.4 (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $5.63/M tokens vs $6.00/M for Claude 4 Sonnet (Non-reasoning).

Which model performs better on benchmarks?

GPT-5.4 (Non-reasoning) wins 7 out of 12 benchmarks compared to 5 for Claude 4 Sonnet (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 (Non-reasoning) generates tokens faster at 61 tok/s vs 47 tok/s. However, GPT-5.4 (Non-reasoning) has lower time-to-first-token (0.57s vs 1.00s).

When should I use Claude 4 Sonnet (Non-reasoning) vs GPT-5.4 (Non-reasoning)?

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