Model Comparison

Qwen3.5-397B-A17B vs Claude Opus 4.8

Claude Opus 4.8 significantly outperforms across most benchmarks. Qwen3.5-397B-A17B is 7.4x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

Qwen3.5-397B-A17B outperforms in 0 benchmarks, while Claude Opus 4.8 is better at 8 benchmarks (BrowseComp, GPQA, Humanity's Last Exam, Include, SWE-bench Multilingual, SWE-Bench Verified, Terminal-Bench 2.0, Toolathlon).

Claude Opus 4.8 significantly outperforms across most benchmarks.

Thu May 28 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, Qwen3.5-397B-A17B ($0.60/1M tokens) is 8.3x cheaper than Claude Opus 4.8 ($5.00/1M tokens).

For output processing, Qwen3.5-397B-A17B ($3.60/1M tokens) is 6.9x cheaper than Claude Opus 4.8 ($25.00/1M tokens).

In conclusion, Claude Opus 4.8 is more expensive than Qwen3.5-397B-A17B.*

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

Lowest available price from all providers

Thu May 28 2026 • llm-stats.com

Qwen3.5-397B-A17B

Input tokens$0.60

Output tokens$3.60

Best providerNovita

Claude Opus 4.8

Input tokens$5.00

Output tokens$25.00

Best providerAnthropic

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4.8 accepts 1,000,000 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. Claude Opus 4.8 can generate longer responses up to 128,000 tokens, while Qwen3.5-397B-A17B is limited to 64,000 tokens.

Qwen3.5-397B-A17B

Input262,144 tokens

Output64,000 tokens

Claude Opus 4.8

Input1,000,000 tokens

Output128,000 tokens

Thu May 28 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Qwen3.5-397B-A17B and Claude Opus 4.8 support multimodal inputs.

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

Qwen3.5-397B-A17B

Text

Images

Audio

Video

Claude Opus 4.8

Text

Images

Audio

Video

License

Usage and distribution terms

Qwen3.5-397B-A17B is licensed under Apache 2.0, while Claude Opus 4.8 uses a proprietary license.

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

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Claude Opus 4.8

Proprietary

Closed source

Release Timeline

When each model was launched

Qwen3.5-397B-A17B was released on 2026-02-16, while Claude Opus 4.8 was released on 2026-05-28.

Claude Opus 4.8 is 3 months newer than Qwen3.5-397B-A17B.

Qwen3.5-397B-A17B

Feb 16, 2026

3 months ago

Claude Opus 4.8

May 28, 2026

0 days ago

3mo 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

Qwen3.5-397B-A17B is available from Novita. Claude Opus 4.8 is available from Anthropic.

Qwen3.5-397B-A17B

Novita

Input Price:Input: $0.60/1MOutput Price:Output: $3.60/1M

Claude Opus 4.8

Anthropic

Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Qwen3.5-397B-A17B

View details

Alibaba Cloud / Qwen Team

Less expensive input tokens

Less expensive output tokens

Has open weights

Claude Opus 4.8

View details

Anthropic

Larger context window (1,000,000 tokens)

Higher BrowseComp score (84.3% vs 69.0%)

Higher GPQA score (93.6% vs 88.4%)

Higher Humanity's Last Exam score (57.9% vs 28.7%)

Higher Include score (87.6% vs 85.6%)

Higher SWE-bench Multilingual score (84.4% vs 69.3%)

Higher SWE-Bench Verified score (88.6% vs 76.4%)

Higher Terminal-Bench 2.0 score (74.6% vs 52.5%)

Higher Toolathlon score (59.9% vs 38.3%)

Detailed Comparison

AI Model Comparison Table
Feature	Qwen3.5-397B-A17B	Claude Opus 4.8

FAQ

Common questions about Qwen3.5-397B-A17B vs Claude Opus 4.8.

Which is better, Qwen3.5-397B-A17B or Claude Opus 4.8?

Claude Opus 4.8 significantly outperforms across most benchmarks. Qwen3.5-397B-A17B is made by Alibaba Cloud / Qwen Team and Claude Opus 4.8 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Qwen3.5-397B-A17B compare to Claude Opus 4.8 in benchmarks?

Qwen3.5-397B-A17B scores MMLU-Redux: 94.9%, HMMT 2025: 94.8%, C-Eval: 93.0%, HMMT25: 92.7%, IFEval: 92.6%. Claude Opus 4.8 scores GPQA: 93.6%, DeepSearchQA: 93.1%, CharXiv-R: 89.9%, SWE-Bench Verified: 88.6%, ScreenSpot Pro: 87.9%.

Is Qwen3.5-397B-A17B cheaper than Claude Opus 4.8?

Qwen3.5-397B-A17B is 8.3x cheaper for input tokens. Qwen3.5-397B-A17B costs $0.60/M input and $3.60/M output via novita. Claude Opus 4.8 costs $5.00/M input and $25.00/M output via anthropic.

What are the context window sizes for Qwen3.5-397B-A17B and Claude Opus 4.8?

Qwen3.5-397B-A17B supports 262K tokens and Claude Opus 4.8 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Qwen3.5-397B-A17B and Claude Opus 4.8?

Key differences include context window (262K vs 1.0M), input pricing ($0.60 vs $5.00/M), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Qwen3.5-397B-A17B and Claude Opus 4.8?

Qwen3.5-397B-A17B is developed by Alibaba Cloud / Qwen Team and Claude Opus 4.8 is developed by Anthropic.