Benchmark of sonnet 5 (good improvement)
Summary
Sonnet 5 demonstrates good improvement in benchmarks.
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The May 2025 Sonnet still beats Sonnet 5 on livebench's coding score. On agentic coding it lose to it by 27 points. So what's the difference?
The May 2025 Sonnet beats Sonnet 5 on LiveBench's general coding score but loses by 27 points on agentic coding, highlighting differences in benchmark performance.
@cline: The new Sonnet 5 achieves Opus 4.8 level performance on Terminal-Bench for less than half the cost. Importantly for --y…
New Sonnet 5 model achieves Opus 4.8 level performance on Terminal-Bench at less than half the cost, with improved refusal of prompt injection attacks, now available in Cline.
Sonnet 5 - its updated tokenizer maps the same text to more tokens (roughly 1.0–1.35× depending on content), so cost per task can be higher.
Anthropic released Claude Sonnet 5 with improved reasoning, tool use, and coding, but its updated tokenizer maps text to more tokens (up to 1.35×), increasing effective cost per task despite the same listed price; introductory pricing applies until August 31, 2026.