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openai/gpt-5.3-codex-spark
Details
Overview
DescriptionGPT-5.3 Codex Spark is a low-latency, lower-cost variant of GPT-5.3 Codex tuned for fast iterative coding inside the Codex environment, with streaming and function calling. Served through OpenAI's Responses API.
AuthorOpenAI
CategoryText Generation
Context length200K
Providers1
Pricing (per 1M tokens)
Input$0.50
Output$4.00
Capabilities
Reasoning
Tool calling
Vision
Streaming
Token activity (30 days)
Usage
Artificial Analysis
Intelligence32.0
Coding35.0
Benchmarks
GPQA Diamond0.7
IFEval0.6