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GPT-5.3 Codex Spark
gpt-codex-spark
Coding-optimized GPT model for repository edits, reviews, and agentic software work
- Family
- gpt-codex-spark
- Providers
- 2
- Context
- 128,000
- Output
- 32,000
- Knowledge
- 2025-08-31
- Weights
- Closed
- Input
- textimagepdf
- Output
- text
- Release date
- 2026-02-05
- Updated
- 2026-02-05
Providers
Source: models.dev