OpenAI: GPT-4 Turbo Preview.
The preview GPT-4 model with improved instruction following, JSON mode, reproducible outputs, parallel function calling, and more. Training data: up to Dec 2023. **Note:** heavily rate limited by OpenAI while...
No self-host path — closed weights.
OpenAI: GPT-4 Turbo Preview's weights aren't published. Use it via the access providers below.
Cheapest hosted endpoints.
Speed across providers.
Tokens/sec and time-to-first-token measured against the same prompt template on each provider's API.
| Provider | Tokens/sec | TTFT | Total |
|---|---|---|---|
| OpenRouter | 9.6 | 10721 ms | 14015 ms |
Frequently asked.
How do I run OpenAI: GPT-4 Turbo Preview?
Where can I access OpenAI: GPT-4 Turbo Preview?
How much does it cost to run OpenAI: GPT-4 Turbo Preview?
Is OpenAI: GPT-4 Turbo Preview open-source or proprietary?
What it costs per month across providers.
Estimate your monthly bill for OpenAI: GPT-4 Turbo Preview across every host that publishes per-token pricing. Slide your token volumes; the chart + table re-rank cheapest-first.
Cheapest provider on the left.
Total monthly cost — input + output tokens combined.