DeepSeek V4.1 Flash vs Qwen3.8 Max Prime
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on November 14, 2026· 230 models
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.
- Reasoning estimated
- Speed estimated
- ▲
- Input
- Output
- Context
- ▲1 M tokens
- Max output
- ▲393 K
- Input, $ per 1M tokens
- ▲$0.051
- Output, $ per 1M tokens
- ▲$0.203
- Cache read, $ per 1M
- $0.001
- Batch (input / output)
- $0.112 / $0.336
- Tool calling
- Yes
- Released
- 09/10/2026
- Knowledge cutoff
- 2025-05
- API id
- deepseek/deepseek-v4.1-flash
Qwen3.8 Max Prime is a higher-throughput variant of Qwen3.8 Max from Alibaba's Qwen team, served as a separate SKU at a higher price point.
- Reasoning estimated
- ▲
- Speed estimated
- Input
- Output
- Context
- 1 M tokens
- Max output
- 131 K
- Input, $ per 1M tokens
- $4.00
- Output, $ per 1M tokens
- $12.00
- Cache read, $ per 1M
- $0.500
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- ▲09/23/2026
- Knowledge cutoff
- —
- API id
- qwen/qwen3.8-max-prime
Which is the better API choice: DeepSeek V4.1 Flash vs Qwen3.8 Max Prime?
- DeepSeek V4.1 Flash: cheapest input (99% less than Qwen3.8 Max Prime)
- DeepSeek V4.1 Flash: cheapest output
- DeepSeek V4.1 Flash: largest context (1 M)
- Qwen3.8 Max Prime: the newest (09/23/2026)
- Qwen3.8 Max Prime: most reasoning (estimated)
- DeepSeek V4.1 Flash: the fastest (estimated)
DeepSeek V4.1 Flash costs 99% less on input and 98% less on output than Qwen3.8 Max Prime ($0.051 / $0.203 versus $4.00 / $12.00 per million tokens). DeepSeek V4.1 Flash accepts more context (1 M). DeepSeek V4.1 Flash offers a batch tier at half price for jobs that do not need an immediate answer.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
With DeepSeek V4.1 Flash you save $106.43 a month versus Qwen3.8 Max Prime (99% less).
The 6 cheapest for this scenario (chat, last 12 months)
- 1Lyria 3 Pro Preview Google$0.00
- 2Lyria 3 Clip Preview Google$0.00
- 3Qwen3.7 Flash Qwen$0.97
- 4DeepSeek V4.1 Flash DeepSeek$1.57
- 5DeepSeek V4 Flash 0731 DeepSeek$1.85
- 6Ministral 3 3B 2512 Mistral$1.90
Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1DeepSeek V4.1 Flash DeepSeek$0.004
- 2Claude Haiku 5.5 Anthropic$0.008
- 3Claude Sonnet 5.5 Anthropic$0.152
- 4Qwen3.8 Max Prime Qwen$0.304
- 5Claude Opus 5.5 Anthropic$0.304
- 6Claude Opus 5 Anthropic$0.380
- 7Claude Fable 5.2 Anthropic$0.608
- 8Claude Fable 5.1 Anthropic$0.760
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See allFrequently asked questions
Which is the better API choice: DeepSeek V4.1 Flash vs Qwen3.8 Max Prime?
DeepSeek V4.1 Flash costs 99% less on input and 98% less on output than Qwen3.8 Max Prime ($0.051 / $0.203 versus $4.00 / $12.00 per million tokens). DeepSeek V4.1 Flash accepts more context (1 M). DeepSeek V4.1 Flash offers a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: DeepSeek V4.1 Flash and Qwen3.8 Max Prime?
DeepSeek V4.1 Flash is cheaper: $0.051 per million input tokens and $0.203 per million output tokens, versus $4.00 / $12.00 for Qwen3.8 Max Prime.
Which has more context: DeepSeek V4.1 Flash and Qwen3.8 Max Prime?
DeepSeek V4.1 Flash accepts 1 M tokens of context; Qwen3.8 Max Prime accepts 1 M.
Which is newer: DeepSeek V4.1 Flash and Qwen3.8 Max Prime?
Qwen3.8 Max Prime was released on 09/23/2026; DeepSeek V4.1 Flash on 09/10/2026.
What would 10,000 requests a month cost with DeepSeek V4.1 Flash and Qwen3.8 Max Prime?
With 1,500 input and 400 output tokens per request: DeepSeek V4.1 Flash: $1.57; Qwen3.8 Max Prime: $108.00 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.