Compare/GPT-5.2 (medium) vs Claude 4 Sonnet (Non-reasoning)

GPT-5.2 (medium)vsClaude 4 Sonnet (Non-reasoning)

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

OpenAI

GPT-5.2 (medium)

Input
$1.75/M
Output
$14/M
Speed
TTFT
Anthropic

Claude 4 Sonnet (Non-reasoning)

Input
$3/M
Output
$15/M
Speed
TTFT

Winner by Category

Cheaper
GPT-5.2 (medium)
Faster (tok/s)
Tie
Lower Latency
Tie
Benchmarks (10-1)
GPT-5.2 (medium)

Pricing Comparison

MetricGPT-5.2 (medium)Claude 4 Sonnet (Non-reasoning)
Input ($/M tokens)$1.75$3
Output ($/M tokens)$14$15
Cost for 1M input + 100K output tokens:
GPT-5.2 (medium)$3.15
Claude 4 Sonnet (Non-reasoning)$4.50

Speed Comparison

Speed data not available for these models.

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
38.025.5
Coding Index
Math Index
96.738.0
GPQA Diamond
86.4%68.3%
MMLU-Pro
85.9%83.7%
LiveCodeBench
89.4%44.9%
AIME 2025
96.7%38.0%
MATH-500
93.4%
Humanity's Last Exam
24.9%4.0%
SciCode
46.2%37.3%
IFBench
65.2%45.4%
TerminalBench
43.2%27.3%
GPT-5.2 (medium)10 wins
1 winsClaude 4 Sonnet (Non-reasoning)

Frequently Asked Questions

Which is cheaper, GPT-5.2 (medium) or Claude 4 Sonnet (Non-reasoning)?

GPT-5.2 (medium) is cheaper overall. Its blended price (3:1 input/output ratio) is $4.81/M tokens vs $6.00/M for Claude 4 Sonnet (Non-reasoning).

Which model performs better on benchmarks?

GPT-5.2 (medium) wins 10 out of 12 benchmarks compared to 1 for Claude 4 Sonnet (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Both models have comparable generation speeds.

When should I use GPT-5.2 (medium) vs Claude 4 Sonnet (Non-reasoning)?

Choose based on your priorities: GPT-5.2 (medium) for lower cost, GPT-5.2 (medium) for stronger benchmark performance, and both have comparable speed. For latency-sensitive apps, check the TTFT comparison above.