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1 mentions in 7 days · 2 in 30 days · 2 total · first seen Sep 8, 2026 · last 6d ago

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Introducing the Agents API

OpenAI launched the Agents API in public beta, exposing the Codex agent harness, managed sandboxes, and multi-agent orchestration to developers.

OpenAI introduced the Agents API in public beta, giving developers the same agent harness and infrastructure that powers Codex through a single API call specifying task, model, tools, and environment. It supports OpenAI-managed sandboxes, customer infrastructure, or partner environments from providers including Cloudflare, Modal, E2B, Vercel, Oracle, DigitalOcean, Blaxel, Daytona and Runloop. Features include automatic context compaction for long sessions, tool search and programmatic tool calling to reduce token usage, and multi-agent support for parallel subagents. The harness is open-source Codex code; there are no extra API fees during beta, with developers paying only for tokens and tools used.

OpenAI Newsupdated Sep 11, 08:11 UTC · 4d agofirst Sep 10, 00:00 UTC · 6d agoAI tools & infra 4 sources

Benchmarking Qwen3.8 27B quantizations: 4-bit holds up, 1-bit collapses

Quesma benchmarks Qwen3.8 27B quantizations: 4-bit Q4_K_M matches BF16 on key benchmarks while 1-bit collapses to random chance.

Quesma spent roughly $3,000 on Modal GPUs testing Unsloth GGUF quantizations of Qwen3.8 27B across GPQA Diamond, IFBench, and Terminal-Bench 2.1. The 17 GB Q4_K_M quantization matched the 55 GB BF16 model on Terminal-Bench 2.1 and showed little degradation down to 4-bit, while the 2-bit UD-Q2_K_XL dropped noticeably. At 1-bit, scores on GPQA Diamond fell to random-guess levels, with longer reasoning making results worse, and reasoning effort settings significantly affected outcomes.

Hacker News · AISep 8, 14:49 UTC · 7d agoAI research HN 56↑ · 30 comments1

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ai model Codex 1 ai model Qwen3.8 27B 1 organization Quesma 1 organization Unsloth 1 product Agents API 1 product Codex 1 product llama.cpp 1 vendor Blaxel 1 vendor Cloudflare 1 vendor DigitalOcean 1 vendor E2B 1 vendor OpenAI 1 vendor Oracle 1 vendor Quesma 1 vendor Unsloth 1 vendor Vercel 1

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