GPT-5.3 Chat (latest)
openai/gpt-5.3-chat-latestChat-tuned GPT model for conversational assistance, writing, and tool workflows
Source-linkedgptClosed weightsReleased 2026-03-03
Context window128K
Maximum output16.384K
Provider offers4
Knowledge cutoff2025-08-31
CapabilitiesWhat this model supports
- Creator
- OpenAI
- Family
- gpt
- Modalities
- Image, Text
- License
- Not documented
- Release date
- 2026-03-03
- Model ID
openai/gpt-5.3-chat-latest
Providers offering GPT-5.3 Chat (latest)| Provider | Provider model ID | Context | Input / 1M | Output / 1M | Cached / 1M | Features | All pricing |
|---|
Merge Gateway | openai/gpt-5.3-chat-latest | 128K | $1.750 | $14.000 | $0.175 | · T S | View{
"cache_read": 0.175,
"input": 1.75,
"output": 14
} |
OrcaRouter | openai/gpt-5.3-chat-latest | 128K | $1.750 | $14.000 | $0.175 | · T S | View{
"cache_read": 0.175,
"input": 1.75,
"output": 14
} |
LLM Gateway | gpt-5.3-chat-latest | 128K | $1.750 | $14.000 | $0.175 | · T S | View{
"cache_read": 0.175,
"input": 1.75,
"output": 14
} |
OpenAI | gpt-5.3-chat-latest | 128K | $1.750 | $14.000 | $0.175 | · T S | View{
"cache_read": 0.175,
"input": 1.75,
"output": 14
} |
EvidencePublished benchmark results
Insufficient benchmark coverage. ModelBench does not infer a score from price, context size, or model name.