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Particle-1 vs Phi-3.5-mini-instruct

Particle-1 leads the LLM Stats Score 31.9 to -4.3. Phi-3.5-mini-instruct is 4.4x cheaper per token.

Particle AI · Microsoft · Updated for 2026

Which is better?

Particle-1 leads the overall LLM Stats Score 31.9 to -4.3, ranking #133 overall.

In the 2 individual benchmarks reported for both models, Particle-1 wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Phi-3.5-mini-instruct is roughly 4.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Particle-1 also accepts a larger context window (1,048,576 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 Particle-1

  • overall performance matters — it scores 31.9 and ranks #133 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026

Choose Phi-3.5-mini-instruct

  • cost matters — it's about 4.4x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
31.9
#133
-4.3
#383
31.2
#135
-5.2
#379
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$0.25 / M
$0.10 / M
Output price
$1.00 / M
$0.10 / M
Context window
1,048,576
128,000

Individual benchmarks

3 reported for Particle-1 · 31 for Phi-3.5-mini-instruct

2 shared

Particle-1 outperforms in 2 benchmarks (GPQA, MMLU), while Phi-3.5-mini-instruct is better at 0 benchmarks.

Particle-1 significantly outperforms across most benchmarks.

Fri Oct 30 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Phi-3.5-mini-instruct costs less

For input processing, Particle-1 ($0.25/1M tokens) is 2.5x more expensive than Phi-3.5-mini-instruct ($0.10/1M tokens).

For output processing, Particle-1 ($1.00/1M tokens) is 10.0x more expensive than Phi-3.5-mini-instruct ($0.10/1M tokens).

In conclusion, Particle-1 is more expensive than Phi-3.5-mini-instruct.*

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

Lowest available price from all providers
Fri Oct 30 2026 • llm-stats.com
Particle AI
Particle-1
Input tokens$0.25
Output tokens$1.00
Best providerUnknown Organization
Microsoft
Phi-3.5-mini-instruct
Input tokens$0.10
Output tokens$0.10
Best providerAzure
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Particle-1 accepts 1,048,576 input tokens compared to Phi-3.5-mini-instruct's 128,000 tokens. Particle-1 can generate longer responses up to 131,072 tokens, while Phi-3.5-mini-instruct is limited to 128,000 tokens.

Particle AI
Particle-1
Input1,048,576 tokens
Output131,072 tokens
Microsoft
Phi-3.5-mini-instruct
Input128,000 tokens
Output128,000 tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Particle-1 supports multimodal inputs, whereas Phi-3.5-mini-instruct does not.

Particle-1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Particle-1

Text
Images
Audio
Video

Phi-3.5-mini-instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Particle-1 is licensed under a proprietary license, while Phi-3.5-mini-instruct uses MIT.

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

Particle-1

Proprietary

Closed source

Phi-3.5-mini-instruct

MIT

Open weights

Release Timeline

When each model was launched

Particle-1 was released on 2026-10-28, while Phi-3.5-mini-instruct was released on 2024-08-23.

Particle-1 is 27 months newer than Phi-3.5-mini-instruct.

Particle-1

Oct 28, 2026

-2 days ago

2.2yr newer
Phi-3.5-mini-instruct

Aug 23, 2024

2.2 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

Provider Availability

Particle-1 is available from Particle AI. Phi-3.5-mini-instruct is available from Azure.

Particle-1

particle-ai logo
Unknown Organization
Input Price:Input: $0.25/1MOutput Price:Output: $1.00/1M

Phi-3.5-mini-instruct

azure logo
Azure
Input Price:Input: $0.10/1MOutput Price:Output: $0.10/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Particle-1 and Phi-3.5-mini-instruct side-by-side, then vote on the output you prefer.

Particle-1
✓ Preferred
Phi-3.5-mini-instruct
Open in Playground

FAQ

Common questions about Particle-1 vs Phi-3.5-mini-instruct.

Which is better, Particle-1 or Phi-3.5-mini-instruct?

Particle-1 leads the LLM Stats Score 31.9 to -4.3. Particle-1 is made by Particle AI and Phi-3.5-mini-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 Particle-1 compare to Phi-3.5-mini-instruct in benchmarks?

Particle-1 scores GPQA: 90.4%, BabyVision: 89.2%, MMLU: 86.1%. Phi-3.5-mini-instruct scores GSM8k: 86.2%, ARC-C: 84.6%, RULER: 84.1%, PIQA: 81.0%, OpenBookQA: 79.2%.

Is Particle-1 cheaper than Phi-3.5-mini-instruct?

Phi-3.5-mini-instruct is 2.5x cheaper for input tokens. Particle-1 costs $0.25/M input and $1.00/M output via particle-ai. Phi-3.5-mini-instruct costs $0.10/M input and $0.10/M output via azure.

What are the context window sizes for Particle-1 and Phi-3.5-mini-instruct?

Particle-1 supports 1.0M tokens and Phi-3.5-mini-instruct 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 Particle-1 and Phi-3.5-mini-instruct?

Key differences include LLM Stats Score (31.9 vs -4.3), context window (1.0M vs 128K), input pricing ($0.25 vs $0.10/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Particle-1 and Phi-3.5-mini-instruct?

Particle-1 is developed by Particle AI and Phi-3.5-mini-instruct is developed by Microsoft.