Claude Opus 4.5 vs GPT 5.2 (2025-12-11)

Name: GPT 5.2 (2025-12-11)
Brand: OpenAI
Price: 1.750000 USD

Claude Opus 4.5 vs GPT 5.2 (2025-12-11): GPT 5.2 (2025-12-11) is cheaper by 48%. Claude Opus 4.5 from Anthropic (200,000-token context) vs. GPT 5.2 (2025-12-11) from OpenAI (272,000-token context). Use Agent Command Center to A/B both in shadow mode and pick the winner per workload.

Side-by-side cost

Live workload comparison

Same workload run through both models. The cheaper one is highlighted.

Input tokens / request3,000

0272,000

Output tokens / request400

0128,000

Requests / day5,000

01,000,000

Claude Opus 4.5

Anthropic

$3,805/mo

Input $5.00/M · Output $25.00/M

GPT 5.2 (2025-12-11)Cheaper

OpenAI

$1,651/mo

Input $1.75/M · Output $14.00/M

At this workload, GPT 5.2 (2025-12-11) is 57% cheaper than Claude Opus 4.5 — a savings of $2,153/month ($25,841/year).

Production recipe — Agent Command Center

strategy: cost-optimized
primary:
  model: gpt-5-2-2025-12-11
  provider: openai
fallback:
  model: claude-opus-4-5
  provider: anthropic
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live

Get started free →Routing docs ↗

	Claude Opus 4.5 Anthropic	GPT 5.2 (2025-12-11) OpenAI
Input price	$5.00/M	$1.75/M
Output price	$25.00/M	$14.00/M
Context window	200,000	272,000
Max output	64,000	128,000
Function calling	✓	✓
Vision	✓	✓
Audio input	—	—
Reasoning	✓	✓
Prompt caching	✓	✓
Structured output	✓	✓
Pricing verified	May 16, 2026	May 16, 2026