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Claude Haiku 5.5 vs Qwen3.8 Flash

Claude Haiku 5.5 and Qwen3.8 Flash are closely matched at 50.3 and 48.4 on the LLM Stats Score. Claude Haiku 5.5 is 1.1x cheaper per token.

Anthropic · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Claude Haiku 5.5 and Qwen3.8 Flash are closely matched on the overall LLM Stats Score at 50.3 and 48.4.

In the 2 individual benchmarks reported for both models, Claude Haiku 5.5 wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Claude Haiku 5.5 is roughly 1.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose Claude Haiku 5.5

  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • cost matters — it's about 1.1x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

Choose Qwen3.8 Flash

  • you want predictable pricing at $0.15/M input and $0.47/M output

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
Qwen3.8 Flash
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
50.3
#18
48.4
#28
Reasoning
47.4
#26
48.3
#21
Coding
40.7
#13
34.4
#36
Agents
33.7
#27
33.4
#29
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$0.10 / M
$0.15 / M
Output price
$0.50 / M
$0.47 / M
Context window
1,000,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
Claude Haiku 5.5
Qwen3.8 Flash
Math
25.7#110
32.5#61
Vision
30.5#32
33.8#18
Tool use
20.8#57
28.8#16
Multimodal
31.6#25
35.4#12
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 22 for Qwen3.8 Flash

2 shared

Claude Haiku 5.5 outperforms in 2 benchmarks (SWE-bench Multilingual, SWE-Bench Pro), while Qwen3.8 Flash 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 1.5x cheaper than Qwen3.8 Flash ($0.15/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 1.1x more expensive than Qwen3.8 Flash ($0.47/1M tokens).

In conclusion, Qwen3.8 Flash 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
Qwen3.8 Flash
Input tokens$0.15
Output tokens$0.47
Best providerNovita
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,000,000 tokens. Qwen3.8 Flash can generate longer responses up to 131,072 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
Qwen3.8 Flash
Input1,000,000 tokens
Output131,072 tokens
Wed Oct 07 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Haiku 5.5 and Qwen3.8 Flash 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

Qwen3.8 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Haiku 5.5

Proprietary

Closed source

Qwen3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Qwen3.8 Flash was released on 2026-08-26.

Claude Haiku 5.5 is 1 month newer than Qwen3.8 Flash.

Claude Haiku 5.5

Oct 7, 2026

0 days ago

1mo newer
Qwen3.8 Flash

Aug 26, 2026

1 months ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Qwen3.8 Flash'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 Qwen3.8 Flash's cutoff date.

Claude Haiku 5.5

Jun 2026

Qwen3.8 Flash

—

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Qwen3.8 Flash is available from Novita.

Claude Haiku 5.5

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

Qwen3.8 Flash

novita logo
Novita
Input Price:Input: $0.15/1MOutput Price:Output: $0.47/1M
* 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 Qwen3.8 Flash side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Qwen3.8 Flash
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Qwen3.8 Flash.

Which is better, Claude Haiku 5.5 or Qwen3.8 Flash?

Claude Haiku 5.5 and Qwen3.8 Flash are closely matched on the LLM Stats Score at 50.3 and 48.4. Claude Haiku 5.5 is made by Anthropic and Qwen3.8 Flash 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 Qwen3.8 Flash 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%. Qwen3.8 Flash scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%.

Is Claude Haiku 5.5 cheaper than Qwen3.8 Flash?

Claude Haiku 5.5 is 1.5x cheaper for input tokens. Claude Haiku 5.5 costs $0.10/M input and $0.50/M output via anthropic. Qwen3.8 Flash costs $0.15/M input and $0.47/M output via novita.

What are the context window sizes for Claude Haiku 5.5 and Qwen3.8 Flash?

Claude Haiku 5.5 supports 1.0M tokens and Qwen3.8 Flash 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 Claude Haiku 5.5 and Qwen3.8 Flash?

Key differences include LLM Stats Score (50.3 vs 48.4), input pricing ($0.10 vs $0.15/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Qwen3.8 Flash?

Claude Haiku 5.5 is developed by Anthropic and Qwen3.8 Flash is developed by Alibaba Cloud / Qwen Team.

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