Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $5.00 |
| Output tokens | $30.00 |
Capabilities
VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution
About GPT-5.5
GPT-5.5 is OpenAI's fully retrained agentic model, released April 23, 2026. Optimized for agentic coding, computer use, knowledge work, and early scientific research. Achieves 82.7% on Terminal-Bench 2.0, 84.9% on GDPval, and 58.6% on SWE-Bench Pro. Individual factual claims are 23% more likely to be correct versus GPT-5.4, with factual errors 3% less frequent. Uses fewer tokens than GPT-5.4 for equivalent tasks. Supports text and image inputs. Available to ChatGPT Plus, Business, and Enterprise subscribers; API access coming soon. Model ID: gpt-5.5.
Model Specs
Released2026-04-23
Context1M
ArchitectureDecoder Only