Neither wins outright: DeepSeek: DeepSeek V4 Flash Vision Exp (batch) is the pick when cost matters at scale, MiniMax: MiniMax M3.1 Flash when you need seed (reproducible sampling).
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 Flash Vision Exp (batch)
MiniMax: MiniMax M3.1 Flash
Difference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
cost matters at scale — it is 37% cheaper on a typical 3:1 input/output mix ($14.85 vs $23.25 a month for 50,000 support chats)
you generate long outputs in one go — up to 944K tokens (about 707,800 words) per response
Choose MiniMax: MiniMax M3.1 Flash if…
you need seed (reproducible sampling) — to repeat a generation for tests and evals; DeepSeek: DeepSeek V4 Flash Vision Exp (batch) does not advertise it
you want to prototype at zero cost — a free variant is listed
Frequently asked questions
Is DeepSeek: DeepSeek V4 Flash Vision Exp (batch) better than MiniMax: MiniMax M3.1 Flash?
Neither wins outright: DeepSeek: DeepSeek V4 Flash Vision Exp (batch) is the pick when cost matters at scale, MiniMax: MiniMax M3.1 Flash when you need seed (reproducible sampling). In short: DeepSeek: DeepSeek V4 Flash Vision Exp (batch) when cost matters at scale, you generate long outputs in one go; MiniMax: MiniMax M3.1 Flash when you need seed (reproducible sampling), you want to prototype at zero cost.
Which is cheaper, DeepSeek: DeepSeek V4 Flash Vision Exp (batch) or MiniMax: MiniMax M3.1 Flash?
DeepSeek: DeepSeek V4 Flash Vision Exp (batch) is cheaper: $0.17 vs $0.26 per 1M tokens at a typical 3:1 input/output mix, 37% less. For 50,000 support conversations a month that is $14.85 against $23.25.
How much do DeepSeek: DeepSeek V4 Flash Vision Exp (batch) and MiniMax: MiniMax M3.1 Flash cost per million tokens?
DeepSeek: DeepSeek V4 Flash Vision Exp (batch) costs $0.11 per 1M input tokens and $0.33 per 1M output tokens; MiniMax: MiniMax M3.1 Flash costs $0.15 input and $0.60 output. Output tokens are billed separately, so long answers shift the gap.
Which has the bigger context window, DeepSeek: DeepSeek V4 Flash Vision Exp (batch) or MiniMax: MiniMax M3.1 Flash?
Both take 1.0M tokens per request — roughly 1,573 pages of text.
Do DeepSeek: DeepSeek V4 Flash Vision Exp (batch) and MiniMax: MiniMax M3.1 Flash support function calling and JSON output?
Can DeepSeek: DeepSeek V4 Flash Vision Exp (batch) or MiniMax: MiniMax M3.1 Flash read images?
Yes, both accept image input.
Is DeepSeek: DeepSeek V4 Flash Vision Exp (batch) or MiniMax: MiniMax M3.1 Flash free to use?
MiniMax: MiniMax M3.1 Flash has a free variant (minimax/minimax-m3.1-flash:free). Free variants usually carry tighter rate limits.
What is the maximum output length of DeepSeek: DeepSeek V4 Flash Vision Exp (batch) and MiniMax: MiniMax M3.1 Flash?
DeepSeek: DeepSeek V4 Flash Vision Exp (batch) can write up to 944K tokens (about 707,800 words) per response; MiniMax: MiniMax M3.1 Flash up to 524K (about 393,200 words).
When were DeepSeek: DeepSeek V4 Flash Vision Exp (batch) and MiniMax: MiniMax M3.1 Flash released?
DeepSeek: DeepSeek V4 Flash Vision Exp (batch) was listed on 2026-08-21; MiniMax: MiniMax M3.1 Flash on 2026-10-19.
DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of [DeepSeek V4 Flash 0731](https://openrouter.ai/deepseek/deepseek-v4-flash-0731) from DeepSeek, adding image understanding while matching the base model on text capabilities including agents,...
MiniMax-M3.1-Flash is a multimodal model from MiniMax. Compared with M3, it delivers significant improvements across multiple benchmarks, particularly in complex agentic tasks, coding, and cybersecurity. It is built for complex,...