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Claude Haiku 5.5 vs Qwen3.5-397B-A17B

Claude Haiku 5.5 leads the LLM Stats Score 50.3 to 38.5. Claude Haiku 5.5 is 5.4x cheaper per token.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 50.3 to 38.5, ranking #18 overall.

In the 1 individual benchmarks reported for both models, Claude Haiku 5.5 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Claude Haiku 5.5 is roughly 5.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Haiku 5.5 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Haiku 5.5

  • overall performance matters — it scores 50.3 and ranks #18 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 5.4x 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 Oct 2026

Choose Qwen3.5-397B-A17B

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
Qwen3.5-397B-A17B
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
50.3
#18
38.5
#74
Reasoning
47.4
#26
38.4
#74
Coding
40.7
#13
22.7
#89
Agents
33.7
#27
19.7
#75
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.10 / M
$0.45 / M
Output price
$0.50 / M
$3.00 / M
Context window
1,000,000
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Haiku 5.5
Qwen3.5-397B-A17B
Math
25.7#110
36.6#38
Vision
30.5#32
18.1#87
Tool use
20.8#57
16.6#85
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 38 for Qwen3.5-397B-A17B

1 shared

Claude Haiku 5.5 outperforms in 1 benchmarks (SWE-bench Multilingual), while Qwen3.5-397B-A17B is better at 0 benchmarks.

Claude Haiku 5.5 significantly outperforms across most benchmarks.

Wed Oct 07 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Claude Haiku 5.5 costs less

For input processing, Claude Haiku 5.5 ($0.10/1M tokens) is 4.5x cheaper than Qwen3.5-397B-A17B ($0.45/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 6.0x cheaper than Qwen3.5-397B-A17B ($3.00/1M tokens).

In conclusion, Qwen3.5-397B-A17B is more expensive than Claude Haiku 5.5.*

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

Lowest available price from all providers
Wed Oct 07 2026 • llm-stats.com
Anthropic
Claude Haiku 5.5
Input tokens$0.10
Output tokens$0.50
Best providerAnthropic
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input tokens$0.45
Output tokens$3.00
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Claude Haiku 5.5 accepts 1,000,000 input tokens compared to Qwen3.5-397B-A17B's 262,144 tokens. Qwen3.5-397B-A17B can generate longer responses up to 262,144 tokens, while Claude Haiku 5.5 is limited to 128,000 tokens.

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Alibaba Cloud / Qwen Team
Qwen3.5-397B-A17B
Input262,144 tokens
Output262,144 tokens
Wed Oct 07 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Haiku 5.5 and Qwen3.5-397B-A17B support multimodal inputs.

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

Claude Haiku 5.5

Text
Images
Audio
Video

Qwen3.5-397B-A17B

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Haiku 5.5 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.

Claude Haiku 5.5

Proprietary

Closed source

Qwen3.5-397B-A17B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Qwen3.5-397B-A17B was released on 2026-02-16.

Claude Haiku 5.5 is 8 months newer than Qwen3.5-397B-A17B.

Claude Haiku 5.5

Oct 7, 2026

0 days ago

7mo newer
Qwen3.5-397B-A17B

Feb 16, 2026

7 months ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Qwen3.5-397B-A17B's cutoff date is not specified.

We can confirm Claude Haiku 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Qwen3.5-397B-A17B's cutoff date.

Claude Haiku 5.5

Jun 2026

Qwen3.5-397B-A17B

—

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Qwen3.5-397B-A17B is available from DeepInfra, Novita.

Claude Haiku 5.5

anthropic logo
Anthropic
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

Qwen3.5-397B-A17B

deepinfra logo
Deepinfra
Input Price:Input: $0.45/1MOutput Price:Output: $3.00/1M
novita logo
Novita
Input Price:Input: $0.60/1MOutput Price:Output: $3.60/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Haiku 5.5 and Qwen3.5-397B-A17B side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Qwen3.5-397B-A17B
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Qwen3.5-397B-A17B.

Which is better, Claude Haiku 5.5 or Qwen3.5-397B-A17B?

Claude Haiku 5.5 leads the LLM Stats Score 50.3 to 38.5. Claude Haiku 5.5 is made by Anthropic and Qwen3.5-397B-A17B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Haiku 5.5 compare to Qwen3.5-397B-A17B in benchmarks?

Claude Haiku 5.5 scores Global-MMLU: 87.8%, MILU: 87.6%, BenchCAD (with Python tool): 87.0%, Chartography: 86.2%, SWE-bench Multilingual: 83.7%. Qwen3.5-397B-A17B scores MMLU-Redux: 94.9%, HMMT 2025: 94.8%, C-Eval: 93.0%, HMMT25: 92.7%, IFEval: 92.6%.

Is Claude Haiku 5.5 cheaper than Qwen3.5-397B-A17B?

Claude Haiku 5.5 is 4.5x cheaper for input tokens. Claude Haiku 5.5 costs $0.10/M input and $0.50/M output via anthropic. Qwen3.5-397B-A17B costs $0.45/M input and $3.00/M output via deepinfra.

What are the context window sizes for Claude Haiku 5.5 and Qwen3.5-397B-A17B?

Claude Haiku 5.5 supports 1.0M tokens and Qwen3.5-397B-A17B supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Haiku 5.5 and Qwen3.5-397B-A17B?

Key differences include LLM Stats Score (50.3 vs 38.5), context window (1.0M vs 262K), input pricing ($0.10 vs $0.45/M), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Qwen3.5-397B-A17B?

Claude Haiku 5.5 is developed by Anthropic and Qwen3.5-397B-A17B is developed by Alibaba Cloud / Qwen Team.

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