Model Comparison
Claude Opus 4.5 vs Qwen3.6 PlusWhich is better in 2026?
Both models are evenly matched across the benchmarks. Qwen3.6 Plus is 8.9x cheaper per token.
Verdict: Claude Opus 4.5 vs Qwen3.6 Plus — which is better?
Claude Opus 4.5 (by Anthropic) and Qwen3.6 Plus (by Alibaba Cloud / Qwen Team) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Claude Opus 4.5 outperforms in 3 benchmarks (LiveBench, MMMLU, SWE-Bench Verified), while Qwen3.6 Plus is better at 3 benchmarks (GPQA, MCP Atlas, Terminal-Bench 2.0). Both models are evenly matched across the benchmarks.
On price, Qwen3.6 Plus is roughly 8.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Qwen3.6 Plus also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Opus 4.5 if…
- you want predictable pricing at $5.00/M input and $25.00/M output
Choose Qwen3.6 Plus if…
- cost matters — it's about 8.9x cheaper per token
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Mar 2026
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.5 outperforms in 3 benchmarks (LiveBench, MMMLU, SWE-Bench Verified), while Qwen3.6 Plus is better at 3 benchmarks (GPQA, MCP Atlas, Terminal-Bench 2.0).
Both models are evenly matched across the benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 10.0x more expensive than Qwen3.6 Plus ($0.50/1M tokens).
For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 8.3x more expensive than Qwen3.6 Plus ($3.00/1M tokens).
In conclusion, Claude Opus 4.5 is more expensive than Qwen3.6 Plus.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Qwen3.6 Plus accepts 1,000,000 input tokens compared to Claude Opus 4.5's 200,000 tokens. Qwen3.6 Plus can generate longer responses up to 65,536 tokens, while Claude Opus 4.5 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Both Claude Opus 4.5 and Qwen3.6 Plus support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 4.5
Qwen3.6 Plus
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Opus 4.5 was released on 2025-11-24, while Qwen3.6 Plus was released on 2026-03-31.
Qwen3.6 Plus is 4 months newer than Claude Opus 4.5.
Nov 24, 2025
7 months ago
Mar 31, 2026
3 months ago
4mo newerKnowledge Cutoff
When training data ends
Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while Qwen3.6 Plus's cutoff date is not specified.
We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without Qwen3.6 Plus's cutoff date.
Mar 2025
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Provider Availability
Claude Opus 4.5 is available from Anthropic. Qwen3.6 Plus is available from Together.
Claude Opus 4.5
Qwen3.6 Plus
Outputs Comparison
Key Takeaways
Claude Opus 4.5
View detailsAnthropic
Qwen3.6 Plus
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Claude Opus 4.5 and Qwen3.6 Plus side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Claude Opus 4.5 vs Qwen3.6 Plus.