This tweet presents a cost comparison of various AI coding models, highlighting the performance and pricing of open-source versus proprietary options. Senior engineers should care about these metrics as they reflect the competitive landscape and cost-effectiveness of AI solutions for coding tasks.
This chart should scare every AI company charging premium prices for coding models.
SWE-rebench, resolved vs average cost per instance:
→ MiniMax M2.5 (open source): 75.8% resolved at ~$0.05 per task
→ Claude Opus 4.6: 75.6% at ~$0.35 per task
→ Claude 4.5 Opus: 76.8% at