Compare/GPT-4 Turbo vs Claude Opus 4.5 (Non-reasoning)

GPT-4 TurbovsClaude Opus 4.5 (Non-reasoning)

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

OpenAI

GPT-4 Turbo

Input
$10/M
Output
$30/M
Speed
30 tok/s
TTFT
0.87s
Anthropic

Claude Opus 4.5 (Non-reasoning)

Input
$5/M
Output
$25/M
Speed
62 tok/s
TTFT
1.15s

Winner by Category

Cheaper
Claude Opus 4.5 (Non-reasoning)
Faster (tok/s)
Claude Opus 4.5 (Non-reasoning)
Lower Latency
GPT-4 Turbo
Benchmarks (1-11)
Claude Opus 4.5 (Non-reasoning)

Pricing Comparison

MetricGPT-4 TurboClaude Opus 4.5 (Non-reasoning)
Input ($/M tokens)$10$5
Output ($/M tokens)$30$25
Cost for 1M input + 100K output tokens:
GPT-4 Turbo$13.00
Claude Opus 4.5 (Non-reasoning)$7.50

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-4 Turbo
30 tok/s
Claude Opus 4.5 (Non-reasoning)
62 tok/s
Time to First Token (seconds) — lower is better
GPT-4 Turbo
0.87s
Claude Opus 4.5 (Non-reasoning)
1.15s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
13.743.1
Coding Index
21.542.9
Math Index
62.7
GPQA Diamond
81.0%
MMLU-Pro
69.4%88.9%
LiveCodeBench
29.1%73.8%
AIME 2025
62.7%
MATH-500
73.7%
Humanity's Last Exam
3.3%12.9%
SciCode
31.9%47.0%
IFBench
43.0%
TerminalBench
40.9%
GPT-4 Turbo1 wins
11 winsClaude Opus 4.5 (Non-reasoning)

Frequently Asked Questions

Which is cheaper, GPT-4 Turbo or Claude Opus 4.5 (Non-reasoning)?

Claude Opus 4.5 (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $10.00/M tokens vs $15.00/M for GPT-4 Turbo.

Which model performs better on benchmarks?

Claude Opus 4.5 (Non-reasoning) wins 11 out of 12 benchmarks compared to 1 for GPT-4 Turbo. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Claude Opus 4.5 (Non-reasoning) generates tokens faster at 62 tok/s vs 30 tok/s. GPT-4 Turbo also has lower time-to-first-token (0.87s vs 1.15s).

When should I use GPT-4 Turbo vs Claude Opus 4.5 (Non-reasoning)?

Choose based on your priorities: Claude Opus 4.5 (Non-reasoning) for lower cost, Claude Opus 4.5 (Non-reasoning) for stronger benchmark performance, and Claude Opus 4.5 (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.