Compare/Claude Opus 4.6 (Non-reasoning, High Effort) vs GPT-5.5 (high)

Claude Opus 4.6 (Non-reasoning, High Effort)vsGPT-5.5 (high)

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

Anthropic

Claude Opus 4.6 (Non-reasoning, High Effort)

Input
$6.25/M
Output
$25/M
Speed
44 tok/s
TTFT
1.55s
OpenAI

GPT-5.5 (high)

Input
$5/M
Output
$30/M
Speed
61 tok/s
TTFT
19.21s

Winner by Category

Cheaper
Claude Opus 4.6 (Non-reasoning, High Effort)
Faster (tok/s)
GPT-5.5 (high)
Lower Latency
Claude Opus 4.6 (Non-reasoning, High Effort)
Benchmarks (0-7)
GPT-5.5 (high)

Pricing Comparison

MetricClaude Opus 4.6 (Non-reasoning, High Effort)GPT-5.5 (high)
Input ($/M tokens)$6.25$5
Output ($/M tokens)$25$30
Cost for 1M input + 100K output tokens:
Claude Opus 4.6 (Non-reasoning, High Effort)$8.75
GPT-5.5 (high)$8.00

Speed Comparison

Output Speed (tokens/s) — higher is better
Claude Opus 4.6 (Non-reasoning, High Effort)
44 tok/s
GPT-5.5 (high)
61 tok/s
Time to First Token (seconds) — lower is better
Claude Opus 4.6 (Non-reasoning, High Effort)
1.55s
GPT-5.5 (high)
19.21s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
46.558.9
Coding Index
47.658.5
Math Index
GPQA Diamond
84.0%93.2%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
18.6%43.0%
SciCode
45.7%55.9%
IFBench
44.6%71.6%
TerminalBench
48.5%59.8%
Claude Opus 4.6 (Non-reasoning, High Effort)0 wins
7 winsGPT-5.5 (high)

Frequently Asked Questions

Which is cheaper, Claude Opus 4.6 (Non-reasoning, High Effort) or GPT-5.5 (high)?

Claude Opus 4.6 (Non-reasoning, High 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 (high).

Which model performs better on benchmarks?

GPT-5.5 (high) wins 7 out of 12 benchmarks compared to 0 for Claude Opus 4.6 (Non-reasoning, High Effort). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.5 (high) generates tokens faster at 61 tok/s vs 44 tok/s. Claude Opus 4.6 (Non-reasoning, High Effort) also has lower time-to-first-token (1.55s vs 19.21s).

When should I use Claude Opus 4.6 (Non-reasoning, High Effort) vs GPT-5.5 (high)?

Choose based on your priorities: Claude Opus 4.6 (Non-reasoning, High Effort) for lower cost, GPT-5.5 (high) for stronger benchmark performance, and GPT-5.5 (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.