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GPT 5.3 Codex XHigh
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Available Providers (1)
| Provider | Model ID | Input Cost | Output Cost | Context | Max Output | Docs |
|---|---|---|---|---|---|---|
 Abacus | gpt-5.3-codex-xhigh | $1.75/MTok | $14/MTok | 400K | 128K |
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Structured Output