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Claude Opus 5 vs Phi-3.5-MoE-instruct

Claude Opus 5 leads the LLM Stats Score 54.9 to 1.9.

Anthropic · Microsoft · Updated for 2026

Which is better?

Claude Opus 5 leads the overall LLM Stats Score 54.9 to 1.9, ranking #5 overall.

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

Choose Claude Opus 5

  • overall performance matters — it scores 54.9 and ranks #5 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Jul 2026

Choose Phi-3.5-MoE-instruct

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

At a glance

The differences that matter most.

Claude Opus 5
Anthropic
Phi-3.5-MoE-instruct
Microsoft
Core performance indexes
LLM Stats Score
54.9
#5
1.9
#317
Reasoning
53.9
#4
1.4
#310
Coding
41.9
#9
-3.8
#253
Cost, coverage & limits
Benchmark wins
—
—
Input price
$5.00 / M
— / M
Output price
$25.00 / M
— / M
Context window
1,000,000
—

Individual benchmarks

13 reported for Claude Opus 5 · 31 for Phi-3.5-MoE-instruct

No common benchmarks found

Claude Opus 5 and Phi-3.5-MoE-instructdon'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

Context Window

Maximum input and output token capacity

Only Claude Opus 5 specifies input context (1,000,000 tokens). Only Claude Opus 5 specifies output context (128,000 tokens).

Anthropic
Claude Opus 5
Input1,000,000 tokens
Output128,000 tokens
Microsoft
Phi-3.5-MoE-instruct
Input- tokens
Output- tokens
Sat Sep 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Opus 5 supports multimodal inputs, whereas Phi-3.5-MoE-instruct does not.

Claude Opus 5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5

Text
Images
Audio
Video

Phi-3.5-MoE-instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5 is licensed under a proprietary license, while Phi-3.5-MoE-instruct uses MIT.

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

Claude Opus 5

Proprietary

Closed source

Phi-3.5-MoE-instruct

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 5 was released on 2026-07-24, while Phi-3.5-MoE-instruct was released on 2024-08-23.

Claude Opus 5 is 23 months newer than Phi-3.5-MoE-instruct.

Claude Opus 5

Jul 24, 2026

1 months ago

1.9yr newer
Phi-3.5-MoE-instruct

Aug 23, 2024

2.1 years ago

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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Opus 5 and Phi-3.5-MoE-instruct side-by-side, then vote on the output you prefer.

Claude Opus 5
✓ Preferred
Phi-3.5-MoE-instruct
Open in Playground

FAQ

Common questions about Claude Opus 5 vs Phi-3.5-MoE-instruct.

Which is better, Claude Opus 5 or Phi-3.5-MoE-instruct?

Claude Opus 5 leads the LLM Stats Score 54.9 to 1.9. Claude Opus 5 is made by Anthropic and Phi-3.5-MoE-instruct 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 Opus 5 compare to Phi-3.5-MoE-instruct in benchmarks?

Claude Opus 5 scores BrowseComp: 90.8%, BioMysteryBench: 90.1%, OSWorld 2.0: 70.6%, DeepSWE 1.1: 68.8%, Humanity's Last Exam: 64.7%. Phi-3.5-MoE-instruct scores ARC-C: 91.0%, OpenBookQA: 89.6%, GSM8k: 88.7%, PIQA: 88.6%, RULER: 87.1%.

What are the context window sizes for Claude Opus 5 and Phi-3.5-MoE-instruct?

Claude Opus 5 supports 1.0M tokens and Phi-3.5-MoE-instruct supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 5 and Phi-3.5-MoE-instruct?

Key differences include LLM Stats Score (54.9 vs 1.9), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5 and Phi-3.5-MoE-instruct?

Claude Opus 5 is developed by Anthropic and Phi-3.5-MoE-instruct is developed by Microsoft.

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