# Claude Opus 4.8 vs Qwen3 5 Flash

As of Oct 15, 2026, Claude Opus 4.8 leads Qwen3 5 Flash in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.

Claude Opus 4.8: $10 per 1M blended tokens.

Qwen3 5 Flash: price per 1M tokens is unset in the catalog.

Claude Opus 4.8: closed weights.

Qwen3 5 Flash: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Claude Opus 4.8 leads Qwen3 5 Flash in General LLM at #21 against #154.
- Which to pick, Reasoning: As of Oct 15, 2026, Claude Opus 4.8 leads Qwen3 5 Flash in Reasoning at #10 against #157.
- Which to pick, Science: As of Oct 15, 2026, Claude Opus 4.8 leads Qwen3 5 Flash in Science at #27 against #66.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.8 leads Qwen3 5 Flash in Coding › Web dev at #35 against #114.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.8 leads Qwen3 5 Flash in Long context at #10 against #159.
- Which to pick, Factuality: As of Oct 15, 2026, Claude Opus 4.8 leads Qwen3 5 Flash in Factuality at #24 against #131.

As of Oct 15, 2026, Claude Opus 4.8 is a former state-of-the-art holder in Coding › Web dev (since Jun 5, 2026; sources LMArena WebDev; methodology v1.0).

As of Oct 15, 2026, Qwen3 5 Flash is ranked #66 in Science (since Oct 15, 2026; sources GPQA Diamond; methodology v1.0).