Realtime AI News
OpenAI Previews Ultrafast Tier: GPT-5.6 Sol Up to 14x Faster
OpenAI has previewed Ultrafast, a new API service tier that runs GPT-5.6 Sol up to 14 times faster, reaching as many as 750 output tokens per second. The tier is powered by Cerebras and targets latency-sensitive workloads.
OpenAI previewed Ultrafast on August 13, a new API service tier that runs GPT-5.6 Sol up to 14 times faster than the standard service.
According to the announcement, Ultrafast is powered by Cerebras and delivers up to 750 output tokens per second, a throughput level well above typical API serving.
The tier is aimed at latency-sensitive use cases such as real-time conversation, code completion, and agent applications that need fast round trips.
The partnership with Cerebras signals that OpenAI is exploring dedicated high-speed inference hardware for its flagship models rather than relying on conventional compute scaling alone.
The feature remains a preview, with official pricing and full availability yet to be detailed; developers will be watching the cost and quota policies of the new tier.
The next thing to watch is whether Ultrafast expands to more models and whether high-speed inference becomes a flagship selling point for OpenAI's enterprise API business.
Why it matters
Fast inference is becoming a new battleground for model APIs, and OpenAI's Cerebras-backed Ultrafast preview will test demand from latency-sensitive applications.
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