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by OpenAI

OpenAI: GPT Chat Latest.

multimodal closed 400K ctx
Cheapest input
$5.0/M
on OpenAI API
Cheapest output
$30.0/M
on OpenAI API
Fastest
35 tok/s
on OpenRouter
Hosted equiv.
~$10.8/hr
@ 100 tok/s on OpenAI API

GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...

Hosted API only

No self-host path — closed weights.

OpenAI: GPT Chat Latest'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 $5.0 $30.0 Launch ↗
OpenRouter api aggregator $5.0 $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 35.2 712 ms 2930 ms
FAQ

Frequently asked.

How do I run OpenAI: GPT Chat Latest?
OpenAI: GPT Chat Latest 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 Chat Latest?
OpenAI: GPT Chat Latest 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 Chat Latest?
API pricing starts at $5.0/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 Chat Latest open-source or proprietary?
OpenAI: GPT Chat Latest is a proprietary model from OpenAI. Access is API-only — there are no public weights to download.