GPT-5.3 Codex Spark

by OpenAI · gpt-codex-spark family · released 2026-02-05

On output pricing, GPT-5.3 Codex Spark is cheaper than 90 of the 588 priced models tracked here, at $14/Mtok. Its 128,000-token context window is larger than 204 of 674 models. Capabilities: vision, tools, reasoning, structured output.

Specifications

ProviderOpenAI
Familygpt-codex-spark
Input price$1.75/Mtok
Output price$14/Mtok
Cache read price$0.175/Mtok
Context window128,000
Max output tokens32,000
Input modalitiestext, image, pdf
Output modalitiestext
Capabilitiesvision, tools, reasoning, structured output
Knowledge cutoff2025-08-31
Released2026-02-05

Estimate GPT-5.3 Codex Spark costs for your workload →

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GPT-5.4 mini
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Related reading

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OpenAI documentation → ← All AI models

Data synced daily from models.dev (last synced 14 hours ago). Always verify pricing with OpenAI before deploying to production.