GPT-5.3 Chat
OpenAIdevelopers.openai.com/api/docs/models/gpt-5.3-ch
GPT-5.3 Instant model used in ChatGPT
Updated 5 h ago · first seen 11 Sept 2026
model_01M293VC5N7RDE3CDE71SJ6HPZ
Specification
- Status
- retired
Source:OpenAI Platform docsT1observed 5 h agohigh
- Openness
- proprietary
Source:OpenAI Platform docsT1observed 5 h agohigh
- API model id
- gpt-5.3-chat-latest
Source:OpenAI Platform docsT1observed 5 h agohigh
- Deprecation date
- 8 May 2026
Source:OpenAI Platform docsT1observed 5 h agohigh
- Retirement date
- 10 Aug 2026
Source:OpenAI Platform docsT1observed 5 h agohigh
- Retirement tentative
- No
Source:OpenAI Platform docsT1observed 5 h agohigh
- Official page
Source:OpenAI Platform docsT1observed 5 h agohigh
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
8
Source tiers
T18
Freshest observation
5 h ago
Conflicts
None
Modalities
Modalities unavailable.
Capabilities
Tool calling
Unavailable
Structured output
Unavailable
Reasoning
Unavailable
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable
No capability flags have been observed from a source yet — we do not infer them.
No structured attributes yet.
No benchmark results recorded
Current prices
No current prices recorded
Price history
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history
Statusstatus1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| retired | → current | current | OpenAI Platform docsT1 | high | deterministic |
Opennessopenness1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| proprietary | → current | current | OpenAI Platform docsT1 | high | deterministic |
API model idapi_model_id1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| gpt-5.3-chat-latest | → current | current | OpenAI Platform docsT1 | high | deterministic |
Deprecation datedeprecation_date1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 8 May 2026 | → current | current | OpenAI Platform docsT1 | high | deterministic |
Retirement dateretirement_date1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 10 Aug 2026 | → current | current | OpenAI Platform docsT1 | high | deterministic |
Retirement tentativeretirement_tentative1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| No | → current | current | OpenAI Platform docsT1 | high | deterministic |
Official pageofficial_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://developers.openai.com/api/docs/models/gpt-5.3-chat-latest | → current | current | OpenAI Platform docsT1 | high | deterministic |
Descriptiondescription1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| GPT-5.3 Instant model used in ChatGPT | → current | current | OpenAI Platform docsT1 | high | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| OpenAI Platform docs | developers.openai.com/api/docs/deprecations.md | model_docs | T1· Official | 5 h ago | 1 |
| OpenAI Platform docs | developers.openai.com/api/docs/models.md | model_docs | T1· Official | 5 h ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.