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DeepSeek-V4-Flash-0731 vs Particle-1

DeepSeek-V4-Flash-0731 and Particle-1 are closely matched at 42.2 and 32.0 on the LLM Stats Score. DeepSeek-V4-Flash-0731 is 4.9x cheaper per token.

DeepSeek · Particle AI · Updated for 2026

Which is better?

DeepSeek-V4-Flash-0731 and Particle-1 are closely matched on the overall LLM Stats Score at 42.2 and 32.0.

On price, DeepSeek-V4-Flash-0731 is roughly 4.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose DeepSeek-V4-Flash-0731

  • cost matters — it's about 4.9x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose Particle-1

  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
42.2
#68
32.0
#135
39.9
#72
31.2
#137
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.06 / M
$0.25 / M
Output price
$0.18 / M
$1.00 / M
Context window
1,048,576
1,048,576

Individual benchmarks

9 reported for DeepSeek-V4-Flash-0731 · 3 for Particle-1

No common benchmarks found

DeepSeek-V4-Flash-0731 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

DeepSeek-V4-Flash-0731 costs less

For input processing, DeepSeek-V4-Flash-0731 ($0.06/1M tokens) is 4.2x cheaper than Particle-1 ($0.25/1M tokens).

For output processing, DeepSeek-V4-Flash-0731 ($0.18/1M tokens) is 5.6x cheaper than Particle-1 ($1.00/1M tokens).

In conclusion, Particle-1 is more expensive than DeepSeek-V4-Flash-0731.*

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

Lowest available price from all providers
Wed Nov 04 2026 • llm-stats.com
DeepSeek
DeepSeek-V4-Flash-0731
Input tokens$0.06
Output tokens$0.18
Best providerDeepinfra
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

Both models have the same input context window of 1,048,576 tokens. DeepSeek-V4-Flash-0731 can generate longer responses up to 1,048,576 tokens, while Particle-1 is limited to 131,072 tokens.

DeepSeek
DeepSeek-V4-Flash-0731
Input1,048,576 tokens
Output1,048,576 tokens
Particle AI
Particle-1
Input1,048,576 tokens
Output131,072 tokens
Wed Nov 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Particle-1 supports multimodal inputs, whereas DeepSeek-V4-Flash-0731 does not.

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

DeepSeek-V4-Flash-0731

Text
Images
Audio
Video

Particle-1

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4-Flash-0731 is licensed under MIT, while Particle-1 uses a proprietary license.

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

DeepSeek-V4-Flash-0731

MIT

Open weights

Particle-1

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V4-Flash-0731 was released on 2026-07-31, while Particle-1 was released on 2026-10-28.

Particle-1 is 3 months newer than DeepSeek-V4-Flash-0731.

DeepSeek-V4-Flash-0731

Jul 31, 2026

3 months ago

Particle-1

Oct 28, 2026

1 weeks ago

2mo 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

DeepSeek-V4-Flash-0731 is available from DeepInfra, Novita, Fireworks. Particle-1 is available from Particle AI.

DeepSeek-V4-Flash-0731

deepinfra logo
Deepinfra
Input Price:Input: $0.06/1MOutput Price:Output: $0.18/1M
novita logo
Novita
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M
fireworks logo
Fireworks
Input Price:Input: $0.44/1MOutput Price:Output: $1.32/1M

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 DeepSeek-V4-Flash-0731 and Particle-1 side-by-side, then vote on the output you prefer.

DeepSeek-V4-Flash-0731
✓ Preferred
Particle-1
Open in Playground

FAQ

Common questions about DeepSeek-V4-Flash-0731 vs Particle-1.

Which is better, DeepSeek-V4-Flash-0731 or Particle-1?

DeepSeek-V4-Flash-0731 and Particle-1 are closely matched on the LLM Stats Score at 42.2 and 32.0. DeepSeek-V4-Flash-0731 is made by DeepSeek 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 DeepSeek-V4-Flash-0731 compare to Particle-1 in benchmarks?

DeepSeek-V4-Flash-0731 scores Terminal-Bench 2.1: 82.7%, CyberGym: 76.7%, Toolathlon: 70.3%, DSBench-FullStack: 68.7%, DSBench-Hard: 59.6%. Particle-1 scores GPQA: 90.4%, BabyVision: 89.2%, MMLU: 86.1%.

Is DeepSeek-V4-Flash-0731 cheaper than Particle-1?

DeepSeek-V4-Flash-0731 is 4.2x cheaper for input tokens. DeepSeek-V4-Flash-0731 costs $0.06/M input and $0.18/M output via deepinfra. Particle-1 costs $0.25/M input and $1.00/M output via particle-ai.

What are the context window sizes for DeepSeek-V4-Flash-0731 and Particle-1?

DeepSeek-V4-Flash-0731 supports 1.0M 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 DeepSeek-V4-Flash-0731 and Particle-1?

Key differences include LLM Stats Score (42.2 vs 32.0), input pricing ($0.06 vs $0.25/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4-Flash-0731 and Particle-1?

DeepSeek-V4-Flash-0731 is developed by DeepSeek and Particle-1 is developed by Particle AI.