by OpenAI

OpenAI: GPT-4 Turbo Preview.

text closed 128K ctx
Cheapest input
$10.0/M
on OpenAI API
Cheapest output
$30.0/M
on OpenAI API
Fastest
10 tok/s
on OpenRouter
Hosted equiv.
~$10.8/hr
@ 100 tok/s on OpenAI API

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...

Hosted API only

No self-host path — closed weights.

OpenAI: GPT-4 Turbo Preview's weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenAI API api direct $10.0 $30.0 Launch ↗
OpenRouter api aggregator $10.0 $30.0 Launch ↗
Performance

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
FAQ

Frequently asked.

How do I run OpenAI: GPT-4 Turbo Preview?
OpenAI: GPT-4 Turbo Preview is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access OpenAI: GPT-4 Turbo Preview?
OpenAI: GPT-4 Turbo Preview is available via OpenAI API, OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run OpenAI: GPT-4 Turbo Preview?
API pricing starts at $10.0/M input tokens and $30.0/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is OpenAI: GPT-4 Turbo Preview open-source or proprietary?
OpenAI: GPT-4 Turbo Preview is a proprietary model from OpenAI. Access is API-only — there are no public weights to download.