Qwen3.8 27B is 8.8× cheaper per million tokens (blended). Qwen3.8 27B leads quality index by 6.7 points (89.0 vs 82.3). Qwen3.8 27B has the larger context window (1,000,000 vs 200,000 tokens, 5.0×). Qwen3.8 27B is open-weights; the other is not.

Claude Opus 4.5 vs Qwen3.8 27B

Live catalog fields. Best-in-row is highlighted.

Claude Opus 4.5

Anthropic · anthropic__claude-opus-4.5

Qwen3.8 27Bopen

Qwen · qwen__qwen3.8-27b

Identity

Fieldanthropic__claude-opus-4.5qwen__qwen3.8-27b
ProviderAnthropicQwen
Sluganthropic__claude-opus-4.5qwen__qwen3.8-27b
Statuslivelive
Open weightsNoYes
License
HuggingFaceQwen/Qwen3.8-27B

Quality

Fieldanthropic__claude-opus-4.5qwen__qwen3.8-27b
Quality index (0–100)82.389.0

Cost

Fieldanthropic__claude-opus-4.5qwen__qwen3.8-27b
Input $ / 1M tokens$5.00$0.42
Cached input $ / 1M$0.50$0.09
Output $ / 1M tokens$25.00$3.00

Context

Fieldanthropic__claude-opus-4.5qwen__qwen3.8-27b
Max context tokens200,0001,000,000
Max output tokens64,000131,072

Modalities

Fieldanthropic__claude-opus-4.5qwen__qwen3.8-27b
Inputfile, image, texttext, image, video
Outputtexttext