Compare/Claude Sonnet 4.6 (Non-reasoning, Low Effort) vs GPT-5.4 (Non-reasoning)

Claude Sonnet 4.6 (Non-reasoning, Low Effort)vsGPT-5.4 (Non-reasoning)

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

Anthropic

Claude Sonnet 4.6 (Non-reasoning, Low Effort)

Input
$3/M
Output
$15/M
Speed
51 tok/s
TTFT
1.16s
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 (5-2)
Claude Sonnet 4.6 (Non-reasoning, Low Effort)

Pricing Comparison

MetricClaude Sonnet 4.6 (Non-reasoning, Low Effort)GPT-5.4 (Non-reasoning)
Input ($/M tokens)$3$2.5
Output ($/M tokens)$15$15
Cost for 1M input + 100K output tokens:
Claude Sonnet 4.6 (Non-reasoning, Low Effort)$4.50
GPT-5.4 (Non-reasoning)$4.00

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
51 tok/s
GPT-5.4 (Non-reasoning)
61 tok/s
Time to First Token (seconds) — lower is better
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
1.16s
GPT-5.4 (Non-reasoning)
0.57s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
42.635.4
Coding Index
43.041.0
Math Index
GPQA Diamond
79.7%74.8%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
10.8%10.6%
SciCode
44.1%47.1%
IFBench
42.4%48.4%
TerminalBench
42.4%37.9%
Claude Sonnet 4.6 (Non-reasoning, Low Effort)5 wins
2 winsGPT-5.4 (Non-reasoning)

Frequently Asked Questions

Which is cheaper, Claude Sonnet 4.6 (Non-reasoning, Low Effort) 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 Sonnet 4.6 (Non-reasoning, Low Effort).

Which model performs better on benchmarks?

Claude Sonnet 4.6 (Non-reasoning, Low Effort) wins 5 out of 12 benchmarks compared to 2 for GPT-5.4 (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 51 tok/s. However, GPT-5.4 (Non-reasoning) has lower time-to-first-token (0.57s vs 1.16s).

When should I use Claude Sonnet 4.6 (Non-reasoning, Low Effort) vs GPT-5.4 (Non-reasoning)?

Choose based on your priorities: GPT-5.4 (Non-reasoning) for lower cost, Claude Sonnet 4.6 (Non-reasoning, Low Effort) for stronger benchmark performance, and GPT-5.4 (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.