$ diff qwen-3-8-27b claude-opus-5
Qwen 3.8 27B vs Claude Opus 5
Values come from Qwen 3.8 27B and Claude Opus 5, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
Alibaba QwenQwen 3.8 27B
- context
- 262K
- weights
- open
- $/M in
- —
- $/M out
- —
- context
- 1M
- weights
- closed
- $/M in
- $5
- $/M out
- $25
What actually differs
- Context window
- Claude Opus 5 takes 1M against 262K — 3.8× more room in a single request.
- Weights
- Qwen 3.8 27B publishes weights (Apache 2.0); Claude Opus 5 is API-only. That decides self-hosting, air-gapped deployment and fine-tuning before any capability question does.
- Recency
- Qwen 3.8 27B shipped 21 days after Claude Opus 5 (2026-08-14 vs 2026-07-24).
Full spec
| Attribute | Qwen 3.8 27B | Claude Opus 5 |
|---|---|---|
| Developer | Alibaba Qwen | Anthropic |
| Released | 2026-08-14 | 2026-07-24 |
| Context window | 262,144 tokens (native; reported extensible to ~1M via YaRN) | 1M tokens |
| Pricing | not recorded | $5/M input · $25/M output (standard); $10/M · $50/M (Fast mode, research preview) |
| License | Apache 2.0 | proprietary |
| Availability | Hugging Face (`Qwen/Qwen3.8-27B`, `Qwen/Qwen3.8-27B-FP8`), ModelScope | Claude.ai, API (`claude-opus-5`), Bedrock (`anthropic.claude-opus-53`), Vertex AI, Microsoft Foundry, Claude Code, Cowork |