Meta Llama 4 Maverick: First Open Model to Reach Human-Parity on SWE-Bench Verified

66    2026-02-20

[AI-NEWS-ENTRY]

Date: 2026-02-20

Title: Meta Llama 4 Maverick: First Open Model to Reach Human-Parity on SWE-Bench Verified

Content: Llama 4 Maverick (open-weight 405B variant) achieves 68.7% resolution rate on SWE-Bench Verified (matching or exceeding closed models like Claude 4 Opus and GPT-5.3), demonstrating production-ready autonomous software engineering capabilities in an open-source setting for the first time.

Keywords: SWE-Bench, autonomous coding, software engineering agents, Llama 4 Maverick, open-source frontier model, code generation