• HuggingFace Blog (rss) · 5 gundur sessiz

Shopify fine-tuned a 0.8B Qwen3.5 model to beat GPT-5.6 Sol xhigh on buyer-profile generation, cutting inference cost from $27M to $1M/year on its GraphQL agent while boosting throughput 36x.

• Shopify's fine-tuned Qwen3.5 0.8B model outperformed GPT-5.6 Sol xhigh on buyer-profile generation, cutting the system prompt from 9,100 to 1,100 tokens and raising throughput from 2M to 72M outputs/day.
• The Sidekick GraphQL agent flywheel: production conversations are scored by LLM judges, frontier models critique low-scoring 'hard negative' trajectories, repairs are replayed and validated, then fed back as training data via SFT + GRPO.
• Running Sidekick's traffic (up to 2,000 req/min) on frontier models would cost ~$27M/year vs ~$1M for the specialized model, with 19% faster time-to-first-token, 38% lower end-to-end latency, and 14% fewer GPUs needed.
• Evaluation is the hard part: Shopify calibrates LLM judges against human-labeled data using Cohen's kappa, and requires 4-judge agreement before accepting automated labels (e.g., for correct-refusal cases missing from production data).
• Shopify's explicit guidance: don't fine-tune during the prototype/exploration phase — specialization only pays off once a workload is high-volume, bounded, measurably evaluable, and backed by proprietary data.
• The durable asset isn't the model itself but the loop (data, evals, training recipes, deployment infra) — each new frontier model generation becomes a better 'teacher' for training the next specialist.

Introducing GPT-6 Astra for developers

• <p><strong><a href="https://www.youtube.com/watch?v=bOC3DisEOfg">Introducing GPT-6 Astra for developers</a></strong></p> Blink and you'll miss it, but there's a familiar creature at <a href="https://www.youtube.com/watch?v=bOC3DisEOfg&amp;t=119">1m59s</a>:</p> <blockquote> <p>Across the board, Astra

Using Blender with coding agents on macOS

• <p><strong>TIL:</strong> <a href="https://til.simonwillison.net/llms/blender-coding-agents-macos">Using Blender with coding agents on macOS</a></p> <p>I've been having fun with Blender in ChatGPT Codex on my Mac recently. Getting it to work with coding agents is really easy: install the full Mac app

Research acceleration: The view inside OpenAI

• <p><strong><a href="https://openai.com/index/research-acceleration-view-inside-openai/">Research acceleration: The view inside OpenAI</a></strong></p> Apparently today is RSI day at OpenAI, for Recursive Self-Improvement - I think it's their new AGI. Both this piece and the new essay <a href="https: