Grok-2 vs Qwen3.5-397B-A17B Comparison

Comparing Grok-2 and Qwen3.5-397B-A17B across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Grok-2 outperforms in 0 benchmarks, while Qwen3.5-397B-A17B is better at 2 benchmarks (GPQA, MMLU-Pro).

Qwen3.5-397B-A17B significantly outperforms across most benchmarks.

Sat Mar 14 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Qwen3.5-397B-A17B costs less

For input processing, Grok-2 ($2.00/1M tokens) is 3.3x more expensive than Qwen3.5-397B-A17B ($0.60/1M tokens).

For output processing, Grok-2 ($10.00/1M tokens) is 2.8x more expensive than Qwen3.5-397B-A17B ($3.60/1M tokens).

In conclusion, Grok-2 is more expensive than Qwen3.5-397B-A17B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Sat Mar 14 2026 • llm-stats.com

Grok-2

Input tokens$2.00

Output tokens$10.00

Best providerxAI

Qwen3.5-397B-A17B

Input tokens$0.60

Output tokens$3.60

Best providerNovita

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Context Window

Maximum input and output token capacity

Qwen3.5-397B-A17B accepts 262,144 input tokens compared to Grok-2's 128,000 tokens. Qwen3.5-397B-A17B can generate longer responses up to 64,000 tokens, while Grok-2 is limited to 8,000 tokens.

Grok-2

Input128,000 tokens

Output8,000 tokens

Qwen3.5-397B-A17B

Input262,144 tokens

Output64,000 tokens

Sat Mar 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok-2 and Qwen3.5-397B-A17B support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Grok-2

Text

Images

Audio

Video

Qwen3.5-397B-A17B

Text

Images

Audio

Video

License

Usage and distribution terms

Grok-2 is licensed under a proprietary license, while Qwen3.5-397B-A17B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-2

Proprietary

Closed source

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Grok-2 was released on 2024-08-13, while Qwen3.5-397B-A17B was released on 2026-02-16.

Qwen3.5-397B-A17B is 18 months newer than Grok-2.

Grok-2

Aug 13, 2024

1.6 years ago

Qwen3.5-397B-A17B

Feb 16, 2026

3 weeks ago

1.5yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Grok-2 is available from xAI. Qwen3.5-397B-A17B is available from Novita. The availability of providers can affect quality of the model and reliability.