GPT-4o (2024-11-20) vs GPT 5.2

GPT-4o (2024-11-20) vs GPT 5.2: GPT-4o (2024-11-20) is cheaper by 36% on average. GPT-4o (2024-11-20) from Azure OpenAI (128,000-token context, tool calls) vs. GPT 5.2 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 OpenAI
$1,925/mo
Input $2.75/M · Output $11.00/M
GPT 5.2Cheaper
Azure OpenAI
$1,651/mo
Input $1.75/M · Output $14.00/M
At this workload, GPT 5.2 is 14% cheaper than GPT-4o (2024-11-20) — a savings of $274/month ($3,287/year).
Crossover: GPT 5.2 is cheaper when output/input ≤ 0.33 (input-heavy workloads — RAG, retrieval). GPT-4o (2024-11-20) wins above (long-form generation).
Current workload ratio: 0.13 (400/3000)
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
  model: gpt-5-2
  provider: azure-openai
fallback:
  model: gpt-4o-2024-11-20
  provider: azure-openai
shadow: { sample_rate: 0.05 }   # mirror 5% of traffic to compare quality live
GPT-4o (2024-11-20) GPT 5.2
Input price $2.75/M $1.75/M
Output price $11.00/M $14.00/M
Context window 128,000 272,000
Max output 16,384 128,000
Function calling
Vision
Audio input
Reasoning
Prompt caching
Structured output
Pricing verified May 12, 2026 May 12, 2026
Cheaper option
~36% cheaper than GPT 5.2
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
GPT-4o (2024-11-20)
GPT 5.2
1,477
AIME 2025math
GPT-4o (2024-11-20)
GPT 5.2
100.0%
GPQA Diamondreasoning
GPT-4o (2024-11-20)
GPT 5.2
92.4%
MMLUgeneral
GPT-4o (2024-11-20)
GPT 5.2
89.6%
ARC-AGIreasoning
GPT-4o (2024-11-20)
GPT 5.2
86.2%
SWE-bench Verifiedagent
GPT-4o (2024-11-20)
GPT 5.2
80.0%
MMMU-Promultimodal
GPT-4o (2024-11-20)
GPT 5.2
79.5%
ARC-AGI-2reasoning
GPT-4o (2024-11-20)
GPT 5.2
52.9%
FrontierMathmath
GPT-4o (2024-11-20)
GPT 5.2
40.3%
Humanity's Last Examreasoning
GPT-4o (2024-11-20)
GPT 5.2
34.5%