Claude 3 Opus (2024-02-29) vs GPT-4o

Claude 3 Opus (2024-02-29) vs GPT-4o: GPT-4o is cheaper by 87% on average. Claude 3 Opus (2024-02-29) from Anthropic (200,000-token context, tool calls) vs. GPT-4o from Azure OpenAI (128,000-token context, 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
0200,000
400
016,384
5,000
01,000,000
Anthropic
$11,414/mo
Input $15.00/M · Output $75.00/M
GPT-4oCheaper
Azure OpenAI
$1,750/mo
Input $2.50/M · Output $10.00/M
At this workload, GPT-4o is 85% cheaper than Claude 3 Opus (2024-02-29) — a savings of $9,664/month ($115,967/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
  model: gpt-4o
  provider: azure-openai
fallback:
  model: claude-3-opus-20240229
  provider: anthropic
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
Claude 3 Opus (2024-02-29) GPT-4o
Input price $15.00/M $2.50/M
Output price $75.00/M $10.00/M
Context window 200,000 128,000
Max output 4,096 16,384
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verified May 12, 2026 May 12, 2026
Cheaper option
~87% cheaper than Claude 3 Opus (2024-02-29)
Larger context
200,000 tokens
More capabilities
4 of 6 capability flags advertised

Benchmark comparison

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

Chatbot Arena ELOgeneral
Claude 3 Opus (2024-02-29)
1,248
GPT-4o
1,265
HumanEvalcode
Claude 3 Opus (2024-02-29)
84.9%
GPT-4o
90.2%
MMLUgeneral
Claude 3 Opus (2024-02-29)
86.8%
GPT-4o
88.7%
IFEvalgeneral
Claude 3 Opus (2024-02-29)
GPT-4o
84.0%
MATHmath
Claude 3 Opus (2024-02-29)
GPT-4o
76.6%
MMMUmultimodal
Claude 3 Opus (2024-02-29)
59.4%
GPT-4o
69.1%
GPQAreasoning
Claude 3 Opus (2024-02-29)
50.4%
GPT-4o
53.6%