Model Metadata
- name
- GPT-5.3 Codex Spark
- description
- Coding-optimized GPT model for repository edits, reviews, and agentic software work
- family
- gpt-codex-spark
- open weights
- No
- knowledge
- 2025-08-31
- release date
- 2026-02-05
- modalities
- input: text, image/jpeg, image/png, image/gif, image/webp, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; temperature: No; top_p: No; top_k: No
- limit
- context: 128,000; input: 100,000; output: 32,000
Provider Variants 2
OpenAI gpt-5.3-codex-spark
Context 128,000 · Output 32,000
- name
- GPT-5.3 Codex Spark
- description
- Coding-optimized GPT model for repository edits, reviews, and agentic software work
- family
- gpt-codex-spark
- open weights
- No
- knowledge
- 2025-08-31
- release date
- 2026-02-05
- modalities
- input: text, image/jpeg, image/png, image/gif, image/webp, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: none, low, medium, high, xhigh; structured_output: Yes; temperature: No; system_updates: Yes; effort_updates: No; store: Yes
- limit
- context: 128,000; input: 100,000; output: 32,000
- id
- gpt-5.3-codex-spark
- type
- chat
- last updated
- 2026-02-05
- api
- responses: base_url: https://api.openai.com/v1; sdk: aisdk: @ai-sdk/openai; opencodeai: @opencode/ai/providers/openai/responses; capabilities: tools: updates: Yes
opencode gpt-5.3-codex-spark
Context 128,000 · Output 128,000
- name
- GPT-5.3 Codex Spark
- description
- Coding-optimized GPT model for repository edits, reviews, and agentic software work
- family
- gpt-codex-spark
- open weights
- No
- knowledge
- 2025-08-31
- release date
- 2026-02-05
- modalities
- input: text; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: low, medium, high, xhigh; structured_output: Yes; temperature: No; top_p: No; top_k: No; system_updates: Yes; effort_updates: No
- limit
- context: 128,000; input: 128,000; output: 128,000
- id
- gpt-5.3-codex-spark
- canonical id
- openai/gpt-5.3-codex-spark
- type
- chat
- last updated
- 2026-02-05
- api
- responses: base_url: https://opencode.ai/inference/openai/v1; sdk: aisdk: @ai-sdk/openai; opencodeai: @opencode/ai/providers/openai/responses; capabilities: tools: updates: Yes