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Mistral Medium 3.5 vs Particle-1

Particle-1 leads the LLM Stats Score 31.9 to 25.9. Particle-1 is 6.9x cheaper per token.

Mistral AI · Particle AI · Updated for 2026

Which is better?

Particle-1 leads the overall LLM Stats Score 31.9 to 25.9, ranking #133 overall.

On price, Particle-1 is roughly 6.9x 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 Mistral Medium 3.5

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

Choose Particle-1

  • overall performance matters — it scores 31.9 and ranks #133 on LLM Stats
  • cost matters — it's about 6.9x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
25.9
#183
31.9
#133
26.2
#176
31.2
#135
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.50 / M
$0.25 / M
Output price
$7.50 / M
$1.00 / M
Context window
256,000
1,048,576

Individual benchmarks

11 reported for Mistral Medium 3.5 · 3 for Particle-1

No common benchmarks found

Mistral Medium 3.5 and Particle-1don'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

Particle-1 costs less

For input processing, Mistral Medium 3.5 ($1.50/1M tokens) is 6.0x more expensive than Particle-1 ($0.25/1M tokens).

For output processing, Mistral Medium 3.5 ($7.50/1M tokens) is 7.5x more expensive than Particle-1 ($1.00/1M tokens).

In conclusion, Mistral Medium 3.5 is more expensive than Particle-1.*

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

Lowest available price from all providers
Sat Oct 31 2026 • llm-stats.com
Mistral AI
Mistral Medium 3.5
Input tokens$1.50
Output tokens$7.50
Best providerMistral
Particle AI
Particle-1
Input tokens$0.25
Output tokens$1.00
Best providerUnknown Organization
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Particle-1 accepts 1,048,576 input tokens compared to Mistral Medium 3.5's 256,000 tokens. Mistral Medium 3.5 can generate longer responses up to 256,000 tokens, while Particle-1 is limited to 131,072 tokens.

Mistral AI
Mistral Medium 3.5
Input256,000 tokens
Output256,000 tokens
Particle AI
Particle-1
Input1,048,576 tokens
Output131,072 tokens
Sat Oct 31 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Mistral Medium 3.5 and Particle-1 support multimodal inputs.

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

Mistral Medium 3.5

Text
Images
Audio
Video

Particle-1

Text
Images
Audio
Video

License

Usage and distribution terms

Mistral Medium 3.5 is licensed under Modified MIT License, while Particle-1 uses a proprietary license.

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

Mistral Medium 3.5

Modified MIT License

Open weights

Particle-1

Proprietary

Closed source

Release Timeline

When each model was launched

Mistral Medium 3.5 was released on 2026-04-29, while Particle-1 was released on 2026-10-28.

Particle-1 is 6 months newer than Mistral Medium 3.5.

Mistral Medium 3.5

Apr 29, 2026

6 months ago

Particle-1

Oct 28, 2026

2 days ago

6mo newer

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

Mistral Medium 3.5 is available from Mistral AI. Particle-1 is available from Particle AI.

Mistral Medium 3.5

mistral logo
Mistral
Input Price:Input: $1.50/1MOutput Price:Output: $7.50/1M

Particle-1

particle-ai logo
Unknown Organization
Input Price:Input: $0.25/1MOutput Price:Output: $1.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

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

Mistral Medium 3.5
✓ Preferred
Particle-1
Open in Playground

FAQ

Common questions about Mistral Medium 3.5 vs Particle-1.

Which is better, Mistral Medium 3.5 or Particle-1?

Particle-1 leads the LLM Stats Score 31.9 to 25.9. Mistral Medium 3.5 is made by Mistral AI and Particle-1 is made by Particle AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Mistral Medium 3.5 compare to Particle-1 in benchmarks?

Mistral Medium 3.5 scores COLLIE: 95.8%, Tau3 Telecom: 91.4%, AIME 2025: 86.3%, SWE-Bench Verified: 77.6%, Tau3 Retail: 76.1%. Particle-1 scores GPQA: 90.4%, BabyVision: 89.2%, MMLU: 86.1%.

Is Mistral Medium 3.5 cheaper than Particle-1?

Particle-1 is 6.0x cheaper for input tokens. Mistral Medium 3.5 costs $1.50/M input and $7.50/M output via mistral. Particle-1 costs $0.25/M input and $1.00/M output via particle-ai.

What are the context window sizes for Mistral Medium 3.5 and Particle-1?

Mistral Medium 3.5 supports 256K tokens and Particle-1 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 Mistral Medium 3.5 and Particle-1?

Key differences include LLM Stats Score (25.9 vs 31.9), context window (256K vs 1.0M), input pricing ($1.50 vs $0.25/M), licensing (Modified MIT License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Mistral Medium 3.5 and Particle-1?

Mistral Medium 3.5 is developed by Mistral AI and Particle-1 is developed by Particle AI.