Claude Opus 4.6vsQwen3.5 Plus 2026-04-20
Qwen3.5 Plus 2026-04-20 is cheaper than Claude Opus 4.6 at $0.4/M vs $5/M input tokens.
| Spec | Claude Opus 4.6 | Qwen3.5 Plus 2026-04-20 |
|---|---|---|
| Input price | $5/M tokens | $0.4/M tokens |
| Output price | $25/M tokens | $2.4/M tokens |
| Context window | 1.0M tokens | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Feb 2026 | Apr 2026 |
Our Verdict
Claude Opus 4.6
Qwen3.5 Plus 2026-04-20
Not enough votes to call it. On the specs, nothing separates them.
Qwen3.5 Plus 2026-04-20 costs 10x less per token.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.6
Input
$5.00
Output
$25.00
Qwen3.5 Plus 2026-04-20
Input
$0.40
13× cheaper
Output
$2.40
10× cheaper
Qwen3.5 Plus 2026-04-20 is cheaper on both: 13× input, 10× output.
Where to run it
5 hosts
Qwen3.5 Plus 2026-04-201 host
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Writing DNA
Style Comparison
Similarity
61%
Claude Opus 4.6 uses 2.6x more hedging
Claude Opus 4.6
Qwen3.5 Plus 2026-04-20
56%Vocabulary59%
33wSentence Length15w
0.73Hedging0.28
5.3Bold4.4
2.7Lists2.5
1.16Emoji1.53
1.23Headings0.76
0.02Transitions0.04
Based on 26 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
Keep exploring
More comparisons
Claude Opus 4.6 vs Ox AlphaNew provider
Claude Opus 4.6 vs GPT-5New provider
Claude Opus 4.6 vs MiniMax M3New provider
Claude Opus 4.6 vs Llama 4 MaverickNew provider
Claude Opus 4.6 vs Gemini 3.1 Flash LiteNew provider
Claude Opus 4.6 vs Gemini 3.1 Flash Lite PreviewNew provider
Claude Opus 4.6 vs Gemini 3.1 Pro PreviewNew provider
Claude Opus 4.6 vs Gemini 3.5 FlashNew provider