PoeGPT-5.3-Codex-Spark model ID, context window & pricing
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Quick facts
Model ID openai/gpt-5.3-codex-spark
Source Poe
Context Window 128000
Pricing -
Capabilities tool calling, reasoning
Model overview
GPT-5.3-Codex-Spark is an AI model from Poe with 128000 token context window and text input support.
Public token pricing is not listed for this model in the current catalog source.
- Workloads that use text inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID openai/gpt-5.3-codex-spark
Provider Poe
Family -
Status -
Knowledge Cutoff -
Release Date 2026-03-04
Input Modalities text
Output Modalities text
Context Window 128000
Input Limit -
Output Limit 16384
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control No
Open Weights No
Input Cost / 1M tokens -
Output Cost / 1M tokens -
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -