GPT-5.3-Codex-Spark
gpt-5.3-codex-spark
Proprietary
About
GPT-5.3-Codex-Spark is OpenAI's low-latency coding model optimized for real-time agentic coding on Cerebras specialized hardware. It is a smaller, faster variant of GPT-5.3-Codex with a 128K token context window and API model ID gpt-5.3-codex-spark.
GPT-5.3-Codex-Spark has a 128K-token context window.
GPT-5.3-Codex-Spark input tokens at $1.75/1M, output at $14/1M.
Capabilities
VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode ExecutionPrompt CachingBatch APIAudioFine-tuning
Providers(1)
| Provider | Input (per 1M) | Output (per 1M) | Type | |
|---|---|---|---|---|
| OpenAI API | $1.75 | $14.00 | Serverless |
