OpenPipe Blog
The OpenPipe platform has migrated to Weights & Biases and CoreWeave. Browse migration details and the OpenPipe technical archive.
- Posts
- 34 from 28 Aug 2023 to 18 May 2026
- Posting
- now and then (1 in the last year)
- Kind
- company blog
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2026 1
2025 11
- Serverless RL: Faster, Cheaper and More Flexible RL Training
- OpenPipe is Joining CoreWeave
- 📏RULER: Easy Mode for RL Rewards
- Summary-RL
- Reward Hacking 101
- ART·E: How We Built an Email Research Agent That Beats o3
- ART Trainer: A New RL Trainer for Agents
- pii-redact - SOTA PII Redaction on Your Laptop
- Using GRPO to Beat o1, o3-mini, and R1 on Temporal Clue
- 5 Deep Research Prompts that are Supercharging our Sales Strategy
- One Right Answer or Many? A Useful Distinction for Evaluating and Fine-Tuning LLMs
2024 16
- Analyzing OpenAI’s Reinforcement Fine-Tuning: Less Data, Better Results
- Using Reinforcement Learning and $4.80 of GPU Time to Find the Best HN Post Ever (RLHF Part 1)
- A Founder’s Guide to AI Fine-Tuning
- Introducing Direct Preference Optimization (DPO) Support on OpenPipe
- Fine-tuning Best Practices Chapter 2: Models
- Fine-tuning Best Practices Series Introduction and Chapter 1: Training Data
- Announcing Llama 3.1 and GPT-4o Mini fine-tuning through OpenPipe!
- OpenPipe Mixture of Agents: Outperform GPT-4 at 1/25th the Cost
- The Ten Commandments of Fine-Tuning in Prod (a Mastering LLMs Conference Talk)
- What we've learned in 3 days of Llama 3
- Fine-Tuning in a Nutshell
- We Raised $6.7M to Replace GPT-4 with Your Own Fine-Tuned Models
- Mixtral Curious? Comparing Mistral 7B and Mixtral for fine-tuning
- S-LoRA: Serving Thousands of Models From One GPU for Fun and Profit
- Axis Improves Generation Quality and Lowers Costs With Fine Tuning
- Product Updates December 2023