Handled a multi-file refactor across an unfamiliar Rust codebase without breaking the build, but needed a second pass to fix a borrow-checker edge case.
source: news.ycombinator.com ↗AUG 23, 2026
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Released
Claude Opus 5
Anthropic · released JUL 24, 2026
CLAIM — WHAT ANTHROPIC SAYS
Anthropic's flagship model, positioned for long-horizon agentic work and coding.
- SWE-bench Verified
- 96.0%
- SWE-bench Pro
- 79.2%
- Frontier-Bench v0.1
- 43.3%
- Price / Mtok
- $15.00
REALITY — 2 INDEPENDENT REPORTS
Coding
Coding
Agentic
Ran a 40-step browser automation task end to end, but got stuck retrying a flaky selector instead of asking for help.
source: news.ycombinator.com ↗AUG 23, 2026