Claude 3.5 Sonnet vs Qwen3.8 Max
Qwen3.8 Max significantly outperforms across most benchmarks. Qwen3.8 Max is 2.4x cheaper per token.
Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Claude 3.5 Sonnet outperforms in 0 benchmarks, while Qwen3.8 Max is better at 1 benchmark (GPQA). Qwen3.8 Max significantly outperforms across most benchmarks.
On price, Qwen3.8 Max is roughly 2.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Qwen3.8 Max also accepts a larger context window (256,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Claude 3.5 Sonnet
- you want predictable pricing at $3.00/M input and $15.00/M output
Choose Qwen3.8 Max
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- cost matters — it's about 2.4x cheaper per token
- you process long inputs — it offers a 256,000 token context window
- you want the most recent training data — it shipped Aug 2026
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Claude 3.5 Sonnet outperforms in 0 benchmarks, while Qwen3.8 Max is better at 1 benchmark (GPQA).
Qwen3.8 Max significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 1.8x more expensive than Qwen3.8 Max ($1.65/1M tokens).
For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) is 3.0x more expensive than Qwen3.8 Max ($4.95/1M tokens).
In conclusion, Claude 3.5 Sonnet is more expensive than Qwen3.8 Max.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Qwen3.8 Max accepts 256,000 input tokens compared to Claude 3.5 Sonnet's 200,000 tokens. Claude 3.5 Sonnet can generate longer responses up to 200,000 tokens, while Qwen3.8 Max is limited to 131,072 tokens.
Input Capabilities
Supported data types and modalities
Both Claude 3.5 Sonnet and Qwen3.8 Max support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude 3.5 Sonnet
Qwen3.8 Max
License
Usage and distribution terms
Claude 3.5 Sonnet is licensed under a proprietary license, while Qwen3.8 Max uses Qwen3.8-Max License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Qwen3.8-Max License
Open weights
Release Timeline
When each model was launched
Claude 3.5 Sonnet was released on 2024-06-21, while Qwen3.8 Max was released on 2026-08-02.
Qwen3.8 Max is 26 months newer than Claude 3.5 Sonnet.
Jun 21, 2024
2.2 years ago
Aug 2, 2026
3 weeks ago
2.1yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3.5 Sonnet is available from Bedrock, Google. Qwen3.8 Max is available from DeepInfra, Fireworks, Novita, Together.
Claude 3.5 Sonnet
Qwen3.8 Max
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3.5 Sonnet and Qwen3.8 Max side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3.5 Sonnet vs Qwen3.8 Max.