Monthly cost at list price for five common workloads. Token counts per unit are stated so you can scale them to your own traffic. A workload that does not fit a model's context window is marked rather than priced.
Workload (per month)
DeepSeek: DeepSeek V4.1 Flash (batch)
Particle AI: Particle-1
Difference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
Particle AI: Particle-1: price unchanged since we started tracking it on 2026-10-29.
Date
Model
Input / 1M
Output / 1M
2026-10-17
DeepSeek: DeepSeek V4.1 Flash (batch)
$0.05
$0.15
Which should you choose?
Choose DeepSeek: DeepSeek V4.1 Flash (batch) if…
cost matters at scale — it is 83% cheaper on a typical 3:1 input/output mix ($6.75 vs $38.75 a month for 50,000 support chats)
you generate long outputs in one go — up to 384K tokens (about 288,000 words) per response
Choose Particle AI: Particle-1 if…
No advantage on the data we track — pick it for provider preference or output quality on your own prompts.
Frequently asked questions
Is DeepSeek: DeepSeek V4.1 Flash (batch) better than Particle AI: Particle-1?
DeepSeek: DeepSeek V4.1 Flash (batch) comes out ahead on the data we track: 2 advantages and none for Particle AI: Particle-1.
Which is cheaper, DeepSeek: DeepSeek V4.1 Flash (batch) or Particle AI: Particle-1?
DeepSeek: DeepSeek V4.1 Flash (batch) is cheaper: $0.08 vs $0.44 per 1M tokens at a typical 3:1 input/output mix, 83% less. For 50,000 support conversations a month that is $6.75 against $38.75.
How much do DeepSeek: DeepSeek V4.1 Flash (batch) and Particle AI: Particle-1 cost per million tokens?
DeepSeek: DeepSeek V4.1 Flash (batch) costs $0.05 per 1M input tokens and $0.15 per 1M output tokens; Particle AI: Particle-1 costs $0.25 input and $1.00 output. Output tokens are billed separately, so long answers shift the gap.
Which has the bigger context window, DeepSeek: DeepSeek V4.1 Flash (batch) or Particle AI: Particle-1?
Both take 1.0M tokens per request — roughly 1,573 pages of text.
Do DeepSeek: DeepSeek V4.1 Flash (batch) and Particle AI: Particle-1 support function calling and JSON output?
Can DeepSeek: DeepSeek V4.1 Flash (batch) or Particle AI: Particle-1 read images?
Yes, both accept image input.
Is DeepSeek: DeepSeek V4.1 Flash (batch) or Particle AI: Particle-1 free to use?
No free variant is listed for either; both are pay-per-token.
What is the maximum output length of DeepSeek: DeepSeek V4.1 Flash (batch) and Particle AI: Particle-1?
DeepSeek: DeepSeek V4.1 Flash (batch) can write up to 384K tokens (about 288,000 words) per response; Particle AI: Particle-1 up to 131K (about 98,300 words).
When were DeepSeek: DeepSeek V4.1 Flash (batch) and Particle AI: Particle-1 released?
DeepSeek: DeepSeek V4.1 Flash (batch) was listed on 2026-09-10; Particle AI: Particle-1 on 2026-10-28.
Has the price of DeepSeek: DeepSeek V4.1 Flash (batch) or Particle AI: Particle-1 changed?
DeepSeek: DeepSeek V4.1 Flash (batch): input price cut 55% ($0.11 → $0.05/1M), output price cut 55% ($0.34 → $0.15/1M) on 2026-10-17. Particle AI: Particle-1: price unchanged since we started tracking it on 2026-10-29.
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
Particle-1 is a token-efficient agentic coding model from Particle AI, post-trained on DeepSeek V4.1 Flash. It is suited for software engineering work such as terminal workflows, codebase changes, and data...