OpenAI: GPT-5.2 vs OpenAI: o3 Deep Research
Side-by-side comparison of OpenAI: GPT-5.2 and OpenAI: o3 Deep Research. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceOpenAI: GPT-5.2 leads overall
OpenAI: GPT-5.2 leads in price and context window and max output, making it the stronger choice for most workflows. OpenAI: o3 Deep Research remains a solid alternative depending on your specific needs.
Best for with OpenAI: GPT-5.2
Best for with OpenAI: o3 Deep Research
Side-by-side
Technical specifications
| OpenAI: GPT-5.2 | OpenAI: o3 Deep Research | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input price | $2/M | $10/M |
| Output price | $14/M | $40/M |
| Context window | 400K | 200K |
| Max output | 128K | 100K |
| Capabilities | Tool useVisionReasoning | Tool useVisionReasoning |
| Released | Dec 10, 2025 | Oct 10, 2025 |
Scoring breakdown
How each dimension compares
Price
OpenAI: GPT-5.2 leadsOpenAI: GPT-5.2
$14/M tokens
OpenAI: o3 Deep Research
$40/M tokens
Context Window
OpenAI: GPT-5.2 leadsOpenAI: GPT-5.2
400K tokens
OpenAI: o3 Deep Research
200K tokens
Capabilities
OpenAI: GPT-5.2
3/4
OpenAI: o3 Deep Research
3/4
Max Output
OpenAI: GPT-5.2 leadsOpenAI: GPT-5.2
128K tokens
OpenAI: o3 Deep Research
100K tokens
Recency
OpenAI: GPT-5.2
Dec 2025
OpenAI: o3 Deep Research
Oct 2025
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