Claude Opus 4.6 vs GPT 5.1 (2025-11-13)

Name: GPT 5.1 (2025-11-13)
Brand: Azure OpenAI
Price: 1.250000 USD

Claude Opus 4.6 vs GPT 5.1 (2025-11-13): GPT 5.1 (2025-11-13) is cheaper by 63%. Claude Opus 4.6 from Anthropic (1,000,000-token context) vs. GPT 5.1 (2025-11-13) from Azure 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

01,000,000

Output tokens / request400

0128,000

Requests / day5,000

01,000,000

Claude Opus 4.6

Anthropic

$3,805/mo

Input $5.00/M · Output $25.00/M

GPT 5.1 (2025-11-13)Cheaper

Azure OpenAI

$1,179/mo

Input $1.25/M · Output $10.00/M

At this workload, GPT 5.1 (2025-11-13) is 69% cheaper than Claude Opus 4.6 — a savings of $2,625/month ($31,503/year).

Production recipe — Agent Command Center

strategy: cost-optimized
primary:
  model: gpt-5-1-2025-11-13
  provider: azure-openai
fallback:
  model: claude-opus-4-6
  provider: anthropic
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live

Get started free →Routing docs ↗

	Claude Opus 4.6 Anthropic	GPT 5.1 (2025-11-13) Azure OpenAI
Input price	$5.00/M	$1.25/M
Output price	$25.00/M	$10.00/M
Context window	1,000,000	272,000
Max output	128,000	128,000
Function calling	✓	✓
Vision	✓	✓
Audio input	—	—
Reasoning	✓	✓
Prompt caching	✓	✓
Structured output	✓	✓
Pricing verified	May 16, 2026	May 16, 2026