GPT 5.2 vs o1-preview (2024-09-12)
GPT 5.2 vs o1-preview (2024-09-12): GPT 5.2 is cheaper by 88% on average. GPT 5.2 from Azure OpenAI (272,000-token context, reasoning, tool calls) vs. o1-preview (2024-09-12) from OpenAI (128,000-token context, reasoning). 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
At this workload, GPT 5.2 is 84% cheaper than o1-preview (2024-09-12) — a savings of $8,850/month ($106,196/year).
Production recipe — Agent Command Center
strategy: cost-optimized
primary:
model: gpt-5-2
provider: azure-openai
fallback:
model: o1-preview-2024-09-12
provider: openai
shadow: { sample_rate: 0.05 } # mirror 5% of traffic to compare quality live| GPT 5.2 | o1-preview (2024-09-12) | |
|---|---|---|
| Input price | $1.75/M | $15.00/M |
| Output price | $14.00/M | $60.00/M |
| Context window | 272,000 | 128,000 |
| Max output | 128,000 | 32,768 |
| Function calling | ✓ | — |
| Vision | ✓ | ✓ |
| Audio input | — | — |
| Reasoning | ✓ | ✓ |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | — |
| Pricing verified | May 12, 2026 | May 7, 2026 |
Benchmark comparison
Side-by-side public benchmark scores. Greener bar = winner.