name = "GPT-5.3 Codex Spark"
description = "Coding-optimized GPT model for repository edits, reviews, and agentic software work"
family = "gpt-codex-spark"
release_date = "2026-02-12"
last_updated = "2026-02-12"
attachment = false
reasoning = true
reasoning_options = [{ type = "effort", values = ["low", "medium", "high", "xhigh"] }]
temperature = false
knowledge = "2025-08-31"
tool_call = true
structured_output = true
open_weights = false

[cost]
input = 1.75
output = 14.00
cache_read = 0.175

[limit]
context = 128_000
input = 128_000
output = 128_000

[modalities]
input = ["text"]
output = ["text"]

[provider]
npm = "@ai-sdk/openai"