Claude Opus 4.7 vs GPT 5.1

Claude Opus 4.7 vs GPT 5.1: GPT 5.1 is cheaper by 75% on average. Claude Opus 4.7 from Azure AI Foundry (200,000-token context, reasoning, tool calls) vs. GPT 5.1 from Azure OpenAI (272,000-token context, reasoning, tool calls). 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.

3,000
0272,000
400
0128,000
5,000
01,000,000
Azure AI Foundry
$3,805/mo
Input $5.00/M · Output $25.00/M
GPT 5.1Cheaper
Azure OpenAI
$1,179/mo
Input $1.25/M · Output $10.00/M
At this workload, GPT 5.1 is 69% cheaper than Claude Opus 4.7 — a savings of $2,625/month ($31,503/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
  model: gpt-5-1
  provider: azure-openai
fallback:
  model: claude-opus-4-7
  provider: azure-ai-foundry
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
Claude Opus 4.7 GPT 5.1
Input price $5.00/M $1.25/M
Output price $25.00/M $10.00/M
Context window 200,000 272,000
Max output 128,000 128,000
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verified May 12, 2026 May 12, 2026
Cheaper option
~75% cheaper than Claude Opus 4.7
Larger context
272,000 tokens
More capabilities
5 of 6 capability flags advertised

Benchmark comparison

Side-by-side public benchmark scores. Greener bar = winner.

Chatbot Arena ELOgeneral
Claude Opus 4.7
1,491
GPT 5.1
1,455
GPQA Diamondreasoning
Claude Opus 4.7
94.2%
GPT 5.1
88.1%
AIME 2025math
Claude Opus 4.7
GPT 5.1
94.0%
MMMUmultimodal
Claude Opus 4.7
91.5%
GPT 5.1
85.4%
SWE-bench Verifiedagent
Claude Opus 4.7
87.6%
GPT 5.1
76.3%
τ-bench (retail)agent
Claude Opus 4.7
GPT 5.1
77.9%
τ-bench (airline)agent
Claude Opus 4.7
GPT 5.1
67.0%
SWE-benchagent
Claude Opus 4.7
64.3%
GPT 5.1
Humanity's Last Examreasoning
Claude Opus 4.7
46.9%
GPT 5.1
FrontierMathmath
Claude Opus 4.7
GPT 5.1
26.7%