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

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

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

Anthropic

Claude Sonnet 4.6 (Non-reasoning, Low Effort)

Input
$3.75/M
Output
$15/M
Speed
49 tok/s
TTFT
1.05s
OpenAI

GPT-5.4 (low)

Input
$2.5/M
Output
$15/M
Speed
61 tok/s
TTFT
1.69s

Winner by Category

Cheaper
GPT-5.4 (low)
Faster (tok/s)
GPT-5.4 (low)
Lower Latency
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
Benchmarks (0-7)
GPT-5.4 (low)

Pricing Comparison

MetricClaude Sonnet 4.6 (Non-reasoning, Low Effort)GPT-5.4 (low)
Input ($/M tokens)$3.75$2.5
Output ($/M tokens)$15$15
Cost for 1M input + 100K output tokens:
Claude Sonnet 4.6 (Non-reasoning, Low Effort)$5.25
GPT-5.4 (low)$4.00

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
49 tok/s
GPT-5.4 (low)
61 tok/s
Time to First Token (seconds) — lower is better
Claude Sonnet 4.6 (Non-reasoning, Low Effort)
1.05s
GPT-5.4 (low)
1.69s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
42.647.9
Coding Index
43.045.6
Math Index
GPQA Diamond
79.7%87.1%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
10.8%28.9%
SciCode
44.1%50.3%
IFBench
42.4%65.9%
TerminalBench
42.4%43.2%
Claude Sonnet 4.6 (Non-reasoning, Low Effort)0 wins
7 winsGPT-5.4 (low)

Frequently Asked Questions

Which is cheaper, Claude Sonnet 4.6 (Non-reasoning, Low Effort) or GPT-5.4 (low)?

GPT-5.4 (low) is cheaper overall. Its blended price (3:1 input/output ratio) is $5.63/M tokens vs $6.56/M for Claude Sonnet 4.6 (Non-reasoning, Low Effort).

Which model performs better on benchmarks?

GPT-5.4 (low) wins 7 out of 12 benchmarks compared to 0 for Claude Sonnet 4.6 (Non-reasoning, Low Effort). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 (low) generates tokens faster at 61 tok/s vs 49 tok/s. Claude Sonnet 4.6 (Non-reasoning, Low Effort) also has lower time-to-first-token (1.05s vs 1.69s).

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

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