OpenAI/ GPT
GPT-5.5
openai/gpt-5.5
Default frontier GPT for coding, computer use, research, and knowledge work
Released
2026-04-23
Context window
1.1M
Max output
128K
Weights
Closed
Modalities
Input
TextImageDocument
Output
Text
Identity
- Version
- gpt-5.5
- Knowledge cutoff
- 2025-12-01
- Aliases
- GPT-5.5
Providers
| Provider | Provider model ID | Protocol | Context | Max output | Input | Output | Capabilities | Notes | Pricing | Streaming |
|---|---|---|---|---|---|---|---|---|---|---|
| CrossModel | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M · cache write $5/M | Yes |
| Poe | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $4.5455/M · cache read $0.4545/M output $27.2727/M | Yes |
| Vivgrid | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| NanoGPT | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| FastRouter | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M output $30/M | Yes |
| NEAR AI Cloud | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| DaoXE | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| LLM Gateway | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Kenari | gpt-5-5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0/M output $0/M | Yes |
| OpenCode Zen | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| GitHub Copilot | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| UnoRouter | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0.1875/M output $1.125/M | Yes |
| UnoRouter | gpt-5.5:free | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $0/M output $0/M | Yes |
| FrogBot | gpt-5-5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $2.5/M · cache read $0.25/M output $15/M | Yes |
| SAP AI Core | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Pioneer | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | Interleaved output | input $5/M · cache read $0.5/M output $30/M · cache write $5/M | Yes |
| AI-ROUTER | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| ZenMux | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Abacus | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Azure Cognitive Services | gpt-5.5 | custom | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Model Oracle AI | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | - | Yes |
| Azure | gpt-5.5 | openai_responses | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| AIHubMix | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Ofox | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| OrcaRouter | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| GMI Cloud | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| FreeModel | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M · cache write $5/M | Yes |
| Kilo Gateway | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Merge Gateway | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Vercel AI Gateway | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| OpenRouter | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | Moderated, Default reasoning: medium | input $5/M · cache read $0.5/M output $30/M | Yes |
| Cloudflare AI Gateway | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Perplexity Agent | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| OpenAI | gpt-5.5 | openai_responses | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
| Xpersona | gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | Interleaved output | input $1.5/M · cache read $0.15/M output $12/M | Yes |
| HPC-AI | openai/gpt-5.5 | openai_chat | 1.1M | 128K | TextImageDocument | Text | AttachmentsReasoningTool callStructured | - | input $5/M · cache read $0.5/M output $30/M | Yes |
Capabilities
AttachmentsReasoningTool callStructured
Official price
input $5/M · cache read $0.5/M
output $30/M