Compare/GPT-5.5 (Non-reasoning) vs Claude Opus 4.7 (Adaptive Reasoning, Max Effort)

GPT-5.5 (Non-reasoning)vsClaude Opus 4.7 (Adaptive Reasoning, Max Effort)

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

OpenAI

GPT-5.5 (Non-reasoning)

Input
$5/M
Output
$30/M
Speed
58 tok/s
TTFT
0.96s
Anthropic

Claude Opus 4.7 (Adaptive Reasoning, Max Effort)

Input
$6.25/M
Output
$25/M
Speed
49 tok/s
TTFT
24.39s

Winner by Category

Cheaper
Claude Opus 4.7 (Adaptive Reasoning, Max Effort)
Faster (tok/s)
GPT-5.5 (Non-reasoning)
Lower Latency
GPT-5.5 (Non-reasoning)
Benchmarks (0-7)
Claude Opus 4.7 (Adaptive Reasoning, Max Effort)

Pricing Comparison

MetricGPT-5.5 (Non-reasoning)Claude Opus 4.7 (Adaptive Reasoning, Max Effort)
Input ($/M tokens)$5$6.25
Output ($/M tokens)$30$25
Cost for 1M input + 100K output tokens:
GPT-5.5 (Non-reasoning)$8.00
Claude Opus 4.7 (Adaptive Reasoning, Max Effort)$8.75

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5.5 (Non-reasoning)
58 tok/s
Claude Opus 4.7 (Adaptive Reasoning, Max Effort)
49 tok/s
Time to First Token (seconds) — lower is better
GPT-5.5 (Non-reasoning)
0.96s
Claude Opus 4.7 (Adaptive Reasoning, Max Effort)
24.39s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
40.957.3
Coding Index
48.652.5
Math Index
GPQA Diamond
76.8%91.4%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
12.6%39.6%
SciCode
47.3%54.5%
IFBench
46.1%58.6%
TerminalBench
49.2%51.5%
GPT-5.5 (Non-reasoning)0 wins
7 winsClaude Opus 4.7 (Adaptive Reasoning, Max Effort)

Frequently Asked Questions

Which is cheaper, GPT-5.5 (Non-reasoning) or Claude Opus 4.7 (Adaptive Reasoning, Max Effort)?

Claude Opus 4.7 (Adaptive Reasoning, Max Effort) is cheaper overall. Its blended price (3:1 input/output ratio) is $10.94/M tokens vs $11.25/M for GPT-5.5 (Non-reasoning).

Which model performs better on benchmarks?

Claude Opus 4.7 (Adaptive Reasoning, Max Effort) wins 7 out of 12 benchmarks compared to 0 for GPT-5.5 (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.5 (Non-reasoning) generates tokens faster at 58 tok/s vs 49 tok/s. GPT-5.5 (Non-reasoning) also has lower time-to-first-token (0.96s vs 24.39s).

When should I use GPT-5.5 (Non-reasoning) vs Claude Opus 4.7 (Adaptive Reasoning, Max Effort)?

Choose based on your priorities: Claude Opus 4.7 (Adaptive Reasoning, Max Effort) for lower cost, Claude Opus 4.7 (Adaptive Reasoning, Max Effort) for stronger benchmark performance, and GPT-5.5 (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.