Fresh stories
OpenAI extends API prompt caching to 12 hours
OpenAI adds 12-hour API prompt caching that can be mixed with the 30-minute default in one request. It also announces permanent cache reuse for logged-in Codex and Work users.

ElevenLabs launches Realtime Mini and Max through an OpenAI-compatible API
ElevenLabs launches Eleven Realtime Mini and Max through ElevenAgents and an OpenAI-compatible Realtime API. The company reports Max scores 98.8% on Big Bench Audio with 0.57-second speech latency.

Mistral releases Voxtral 3 speech models for voice agents
Mistral releases Voxtral 3 speech models for voice agents. The release includes a LiveKit-based SDK, voice adaptation, and API or self-hosted deployment.


Perplexity Computer adds local execution on Macs with PPLX Pro
Perplexity Computer adds local model and agent execution on Macs using the Qwen-derived PPLX Pro model. Local tasks use no Computer credits, while 36 GB of unified memory is recommended.

OpenAI extends API prompt caching to 12 hours
OpenAI adds 12-hour API prompt caching that can be mixed with the 30-minute default in one request. It also announces permanent cache reuse for logged-in Codex and Work users.

DeepSeek releases DeepInfer serving engine for V4.1 Flash
DeepSeek releases DeepInfer under Apache 2.0 for V4.1 Flash on Blackwell or Ascend hardware. The engine exposes techniques such as speculative decoding but omits some serving components.

Vercel releases durable-harness to resume coding agents after failures
Vercel releases an open-source harness that makes existing coding-agent setups resumable after failures. Adapters support Vercel or self-hosted infrastructure without tying execution to one runtime.
ElevenLabs launches Realtime Mini and Max through an OpenAI-compatible API
METR questions whether Anthropic's evaluations would detect greater risk
FastVideo claims FastH3 Omni cuts video generation latency 12×
Mistral releases Voxtral 3 speech models for voice agents
Top storiesthis week
Exa 3.0 adds cross-result highlights to its search API
Exa 3.0 adds cross-result highlights, a larger index and Lite search at $4 per thousand queries. Artificial Analysis finds dynamic highlights increase task latency compared with standard search.


T3 Connect creator blames failures on Cloudflare tunnel rate limits
Theo attributes T3 Connect failures to tunnel provisioning and decommissioning rate limits, not tunnel counts. He says broken alerts hid the severity and reports service recovery.

Stripe reports Shield scaling improves fraud recall by more than 8%
Stripe reports more than 8% better recall after scaling Shield, with training epochs cut from 24 to 4.8 hours. Agents run experiment loops using documented operational knowledge, while humans select hypotheses.

Google Research releases Harness² for agents to improve their harnesses
Google Research's open-source Harness² lets agents test edits to prompts, skills, hooks and memory around a frozen model. Editor, composer and reflector agents retain verified improvements for later tasks.

FastVideo releases a four-bit video generation stack that cuts weights to 30 GiB
FastVideo's FastH3-QAD-v2 and NVFP4 VAE decoders cut weights from 118 to 30 GiB. The team reports generating a five-second 480p clip in 52.7 seconds on one DGX Spark, down from 141 seconds.



