The AI arena is free today

Open Superagent

Claude Haiku 5.5 vs Nova Micro

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to 2.4. Nova Micro is 3.5x cheaper per token.

Anthropic · Amazon · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 50.0 to 2.4, ranking #19 overall.

On price, Nova Micro is roughly 3.5x 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 50.0 and ranks #19 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • 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 Nova Micro

  • cost matters — it's about 3.5x cheaper per token

At a glance

The differences that matter most.

Core performance indexes
50.0
#19
2.4
#330
47.2
#27
1.7
#325
40.2
#13
2.6
#237
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
$0.03 / M
Output price
$0.50 / M
$0.14 / M
Context window
1,000,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Haiku 5.5
Nova Micro
25.7#110
9.2#260
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 17 for Nova Micro

No common benchmarks found

Claude Haiku 5.5 and Nova Microdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nova Micro costs less

For input processing, Claude Haiku 5.5 ($0.10/1M tokens) is 3.3x more expensive than Nova Micro ($0.03/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 3.6x more expensive than Nova Micro ($0.14/1M tokens).

In conclusion, Claude Haiku 5.5 is more expensive than Nova Micro.*

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

Lowest available price from all providers
Thu Oct 08 2026 • llm-stats.com
Anthropic
Claude Haiku 5.5
Input tokens$0.10
Output tokens$0.50
Best providerAnthropic
Amazon
Nova Micro
Input tokens$0.03
Output tokens$0.14
Best providerAWS Bedrock
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 Nova Micro's 128,000 tokens. Both models can generate responses up to 128,000 tokens.

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Amazon
Nova Micro
Input128,000 tokens
Output128,000 tokens
Thu Oct 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Haiku 5.5 supports multimodal inputs, whereas Nova Micro does not.

Claude Haiku 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Haiku 5.5

Text
Images
Audio
Video

Nova Micro

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

Nova Micro

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Nova Micro was released on 2024-11-20.

Claude Haiku 5.5 is 23 months newer than Nova Micro.

Claude Haiku 5.5

Oct 7, 2026

1 days ago

1.9yr newer
Nova Micro

Nov 20, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Nova Micro'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 Nova Micro's cutoff date.

Claude Haiku 5.5

Jun 2026

Nova Micro

—

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Nova Micro is available from Bedrock.

Claude Haiku 5.5

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

Nova Micro

bedrock logo
AWS Bedrock
Input Price:Input: $0.03/1MOutput Price:Output: $0.14/1M
* 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 Nova Micro side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Nova Micro
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Nova Micro.

Which is better, Claude Haiku 5.5 or Nova Micro?

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to 2.4. Claude Haiku 5.5 is made by Anthropic and Nova Micro is made by Amazon. 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 Nova Micro 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%. Nova Micro scores GSM8k: 92.3%, ARC-C: 90.2%, Translation Set1→en COMET22: 88.7%, Translation en→Set1 COMET22: 88.5%, IFEval: 87.2%.

Is Claude Haiku 5.5 cheaper than Nova Micro?

Nova Micro is 3.3x cheaper for input tokens. Claude Haiku 5.5 costs $0.10/M input and $0.50/M output via anthropic. Nova Micro costs $0.03/M input and $0.14/M output via bedrock.

What are the context window sizes for Claude Haiku 5.5 and Nova Micro?

Claude Haiku 5.5 supports 1.0M tokens and Nova Micro supports 128K 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 Nova Micro?

Key differences include LLM Stats Score (50.0 vs 2.4), context window (1.0M vs 128K), input pricing ($0.10 vs $0.03/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 5.5 and Nova Micro?

Claude Haiku 5.5 is developed by Anthropic and Nova Micro is developed by Amazon.