OpenAI: GPT-5.2 Pro
Analysis Summary
OpenAI: GPT-5.2 Pro sits in the Legacy tier on our leaderboard, ranked #442 of 544 published models on overall intelligence. At $21.00 input and $168.00 output per 1M tokens, it is among the most expensive on the market. It offers a generous context window for extended reasoning and code review and supports tool use, function calling, vision, and reasoning.
Editorial notes
GPT-5.2 Pro from OpenAI has a 400K context, vision, and tool use but no independent benchmarks and very high pricing at $21/$168 per million tokens, limiting its value proposition without verified data.
Assessed May 5, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
GPT-5.2 Pro is OpenAIās most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro. It is optimized for complex tasks that require step-by-step reasoning,..
Capabilities
How does OpenAI: GPT-5.2 Pro stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
openai/gpt-5.2-pro
|
| Provider | openai |
| Release Date | December 10, 2025 |
| Context Length | 400,000 tokens |
| Max Completion | 128,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $21.00 | $0.021000 |
| Output | $168.00 | $0.168000 |
