GPT-5.4 3.5
GPT-5.4 3.5 is OpenAI's language model with a 1.1M context window and up to 128K output tokens, available from 2 providers. A sub-version 3.5 release of GPT-5.4, representing a specific snapshot of the GPT-5.4 frontier model for professional and agentic tasks.
OpenAI's language model with a 1.1M context window and up to 128K output tokens, available from 2 providers. A sub-version 3.5 release of GPT-5.4, representing a specific snapshot of the GPT-5.4 frontier model for professional and agentic tasks.Capabilities
Input2/5
·
✓
·
·
✓
Output1/5
✓
·
·
·
·
Capabilities5/13
✓
·
✓
✓
✓
·
·
·
·
·
·
✓
·
Pricing by Provider
| Provider | Standard | Batch | |||
|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Input $ / 1M | Output $ / 1M | |
 Azure AI Foundry | $2.50 | $15.00 | $0.250 | $1.25 | $7.50 |
OpenAI | $2.50 | $15.00 | $0.250 | $1.25 | $7.50 |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.4 Mini | 1.1M | $0.750 | $4.50 | Available | |
| GPT-5.4 Nano | 1.1M | $0.200 | $1.25 | Available | |
| GPT-5.4 | 1.1M | $2.50 | $15.00 | Available | |
| GPT-5.4 Pro | 1.1M | $30.00 | $180.00 | Available | |
| GPT-5.4 3.5 | — | 1.1M | — | — | Current |
| GPT-5.4 Pro 3.5 | — | 1.1M | — | — | Available |
| GPT-5.3 Chat | 128K | $1.75 | $14.00 | Available | |
| GPT-5.3 Codex | 400K | $1.75 | $14.00 | Available | |
| GPT-5.3 Codex Spark | — | 128K | — | — | Available |
| GPT-5.3 Instant | — | 128K | — | — | Available |
| GPT-5.2 Codex | 400K | $1.75 | $14.00 | Available |