Chat & reasoning
GPT-5.5
OpenAI flagship. AA Intelligence Index v4.1 of 55 — the strongest all-round frontier model.
Context
256K
Type
Chat & reasoning
Reasoning
Yes
Streaming
Yes
Capabilities
StreamingReasoningTool useWeb searchVisionDocuments
Pricing
| Input | $0.05 / 1M tokens |
| Output | $0.3 / 1M tokens |
No subscription — TryAI bills usage from a shared credit balance.
Compare GPT-5.5
GPT-5.5: frequently asked questions
- What is GPT-5.5?
- OpenAI flagship. AA Intelligence Index v4.1 of 55 — the strongest all-round frontier model. You can try GPT-5.5 on TryAI without a separate provider account.
- How much does GPT-5.5 cost on TryAI?
- GPT-5.5 is Input: $0.05 / 1M tokens, Output: $0.3 / 1M tokens. There is no subscription — you pay only for what you use.
- What can GPT-5.5 do?
- GPT-5.5 supports Streaming, Reasoning, Tool use, Web search, Vision, Documents with a context window of about 256K tokens.
- How do I try GPT-5.5?
- Create a free TryAI account, pick GPT-5.5 from the model selector, and start generating in seconds.
Related models
Claude Fable 5
Chat & reasoning
Anthropic's most capable model. Tops the AA Intelligence Index; built for the hardest reasoning and long-horizon agentic work.
Try Claude Fable 5→Claude Opus 4.8
Chat & reasoning
Frontier all-rounder. Leads SWE-bench Pro (69%) at AA Intelligence Index v4.1 of 56 — the value pick just below Fable 5.
Try Claude Opus 4.8→Gemini 3.1 Pro
Chat & reasoning
Google DeepMind frontier. 2M context, fully multimodal, best-value frontier tier at AA 57.
Try Gemini 3.1 Pro→