GPT-3.5 Turbo 4k
GPT-3.5 Turbo 4k is OpenAI's language model, starting at $1.50 / 1M input and $2.00 / 1M output. The standard 4k-context variant of GPT-3.5 Turbo, optimized for fast, cost-efficient chat and instruction-following tasks.
OpenAI's language model, starting at $1.50 / 1M input and $2.00 / 1M output. The standard 4k-context variant of GPT-3.5 Turbo, optimized for fast, cost-efficient chat and instruction-following tasks.Capabilities
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Output1/5
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Pricing by Provider
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
 Azure AI Foundry | $1.50 | $2.00 |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.1 Codex Max | 400K | $1.25 | $10.00 | Available | |
| GPT-5.1 | 410K | $1.25 | $10.00 | Available | |
| GPT-5.1 Chat | 128K | $1.25 | $10.00 | Available | |
| GPT-5.1 Codex | 400K | $1.25 | $10.00 | Available | |
| GPT-5 Mini Image | 400K | $2.50 | $2.00 | Available | |
| GPT-5 Image | 400K | $10.00 | $10.00 | Available | |
| GPT-5 Pro | 400K | $15.00 | $120.00 | Available | |
| GPT-5 Codex | 400K | $1.25 | $10.00 | Available | |
| GPT-5 | 410K | $1.25 | $10.00 | Available | |
| GPT-5 Chat | 128K | $1.25 | $10.00 | Available | |
| GPT-3.5 Turbo 4k | — | — | $1.50 | $2.00 | Current |