Arcee Releases Trinity Large Thinking, a 400B-Parameter Open-Weight Reasoning Model Built on $20M Budget

Summary

Arcee, a 26-person U.S. startup, has released Trinity Large Thinking, a 400-billion-parameter open-weight reasoning model built on a reported $20 million budget. CEO Mark McQuade claims it is the most capable open-weight model ever released by a non-Chinese company, positioning it as a Western alternative to Chinese open-source models like DeepSeek. The model is reportedly competitive with other top open-source models based on benchmark results shared with TechCrunch, and is gaining popularity w