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Claude Sonnet 5.5 vs MAI-Code-1.1-Flash

Claude Sonnet 5.5 leads the LLM Stats Score 58.0 to 27.8. MAI-Code-1.1-Flash is 8.9x cheaper per token.

Anthropic · Microsoft · Updated for 2026

Which is better?

Claude Sonnet 5.5 leads the overall LLM Stats Score 58.0 to 27.8, ranking #3 overall.

On price, MAI-Code-1.1-Flash is roughly 8.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Sonnet 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 Sonnet 5.5

  • overall performance matters — it scores 58.0 and ranks #3 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 Sep 2026

Choose MAI-Code-1.1-Flash

  • cost matters — it's about 8.9x cheaper per token

At a glance

The differences that matter most.

Claude Sonnet 5.5
Anthropic
MAI-Code-1.1-Flash
Microsoft
Core performance indexes
LLM Stats Score
58.0
#3
27.8
#146
Reasoning
56.6
#3
27.5
#142
Coding
48.8
#2
18.8
#117
Agents
42.3
#3
10.6
#121
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.00 / M
$0.20 / M
Output price
$10.00 / M
$1.20 / M
Context window
1,000,000
256,000

Individual benchmarks

47 reported for Claude Sonnet 5.5 · 2 for MAI-Code-1.1-Flash

No common benchmarks found

Claude Sonnet 5.5 and MAI-Code-1.1-Flashdon'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

MAI-Code-1.1-Flash costs less

For input processing, Claude Sonnet 5.5 ($2.00/1M tokens) is 10.0x more expensive than MAI-Code-1.1-Flash ($0.20/1M tokens).

For output processing, Claude Sonnet 5.5 ($10.00/1M tokens) is 8.3x more expensive than MAI-Code-1.1-Flash ($1.20/1M tokens).

In conclusion, Claude Sonnet 5.5 is more expensive than MAI-Code-1.1-Flash.*

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

Lowest available price from all providers
Fri Oct 02 2026 • llm-stats.com
Anthropic
Claude Sonnet 5.5
Input tokens$2.00
Output tokens$10.00
Best providerAnthropic
Microsoft
MAI-Code-1.1-Flash
Input tokens$0.20
Output tokens$1.20
Best providerUnknown Organization
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Claude Sonnet 5.5 accepts 1,000,000 input tokens compared to MAI-Code-1.1-Flash's 256,000 tokens. Only Claude Sonnet 5.5 specifies output context (128,000 tokens).

Anthropic
Claude Sonnet 5.5
Input1,000,000 tokens
Output128,000 tokens
Microsoft
MAI-Code-1.1-Flash
Input256,000 tokens
Output- tokens
Fri Oct 02 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Sonnet 5.5 and MAI-Code-1.1-Flash support multimodal inputs.

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

Claude Sonnet 5.5

Text
Images
Audio
Video

MAI-Code-1.1-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 Sonnet 5.5

Proprietary

Closed source

MAI-Code-1.1-Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 5.5 was released on 2026-09-28, while MAI-Code-1.1-Flash was released on 2026-08-11.

Claude Sonnet 5.5 is 2 months newer than MAI-Code-1.1-Flash.

Claude Sonnet 5.5

Sep 28, 2026

3 days ago

1mo newer
MAI-Code-1.1-Flash

Aug 11, 2026

1 months ago

Knowledge Cutoff

When training data ends

Claude Sonnet 5.5 has a documented knowledge cutoff of 2026-06-01, while MAI-Code-1.1-Flash's cutoff date is not specified.

We can confirm Claude Sonnet 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without MAI-Code-1.1-Flash's cutoff date.

Claude Sonnet 5.5

Jun 2026

MAI-Code-1.1-Flash

—

Provider Availability

Claude Sonnet 5.5 is available from Anthropic. MAI-Code-1.1-Flash is available from GitHub Copilot.

Claude Sonnet 5.5

anthropic logo
Anthropic
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

MAI-Code-1.1-Flash

github-copilot logo
Unknown Organization
Input Price:Input: $0.20/1MOutput Price:Output: $1.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Sonnet 5.5 and MAI-Code-1.1-Flash side-by-side, then vote on the output you prefer.

Claude Sonnet 5.5
✓ Preferred
MAI-Code-1.1-Flash
Open in Playground

FAQ

Common questions about Claude Sonnet 5.5 vs MAI-Code-1.1-Flash.

Which is better, Claude Sonnet 5.5 or MAI-Code-1.1-Flash?

Claude Sonnet 5.5 leads the LLM Stats Score 58.0 to 27.8. Claude Sonnet 5.5 is made by Anthropic and MAI-Code-1.1-Flash is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Sonnet 5.5 compare to MAI-Code-1.1-Flash in benchmarks?

Claude Sonnet 5.5 scores BenchCAD (with Python tool): 96.3%, ArXivMath (with tools): 95.2%, Global-MMLU: 92.1%, MILU: 91.6%, SWE-bench Multilingual: 90.3%. MAI-Code-1.1-Flash scores SWE-Bench Verified: 72.6%, Terminal-Bench 2.1: 62.9%.

Is Claude Sonnet 5.5 cheaper than MAI-Code-1.1-Flash?

MAI-Code-1.1-Flash is 10.0x cheaper for input tokens. Claude Sonnet 5.5 costs $2.00/M input and $10.00/M output via anthropic. MAI-Code-1.1-Flash costs $0.20/M input and $1.20/M output via github-copilot.

What are the context window sizes for Claude Sonnet 5.5 and MAI-Code-1.1-Flash?

Claude Sonnet 5.5 supports 1.0M tokens and MAI-Code-1.1-Flash supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 5.5 and MAI-Code-1.1-Flash?

Key differences include LLM Stats Score (58.0 vs 27.8), context window (1.0M vs 256K), input pricing ($2.00 vs $0.20/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 5.5 and MAI-Code-1.1-Flash?

Claude Sonnet 5.5 is developed by Anthropic and MAI-Code-1.1-Flash is developed by Microsoft.

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