Reference

LLM models

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Catalog snapshot455 models · 53 labs

Reference

LLM models

Explore model specifications, benchmarks and costs.

455 models

OpenAI

GPT-5.3 Codex Spark

gpt-5.3-codex-spark
Context
128000
Max output
32000
Released
2026-02-05
Weights
Proprietary

API pricing

OpenAI · USD / 1M tokens

Input price $1.75 · Output price $14

Sources

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