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Model comparison · Updated 10 Oct 2026

DeepSeek V4 Flash Vision Exp vs Qwen3.8 Flash

Qwen3.8 Flash is about 1.4× cheaper on input ($0.15 against $0.22 per 1M tokens) and on output. DeepSeek V4 Flash Vision Exp has the larger context window (1.05M against 1M tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $155 a month for DeepSeek V4 Flash Vision Exp and $110 for Qwen3.8 Flash.

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ModelsAtlas. “DeepSeek V4 Flash Vision Exp vs Qwen3.8 Flash”. Retrieved 10 Oct 2026. https://modelsatlas.com/compare/deepseek/v4-flash-vision-exp/vs/qwen/3-8

Model A

DeepSeek V4 Flash Vision Exp

by DeepSeek · weights not marked open · GRIDC5

Input / 1M
$0.22
observed We measured
Source
Our catalogue
Retrieved
10 Oct 2026
Output / 1M$0.65
Context1.05M
vs

Model B

Qwen3.8 Flash

by Qwen (Alibaba) · weights not marked open · GRIDC5

Input / 1M
$0.15
observed We measured
Source
Our catalogue
Retrieved
1 Sep 2026
Output / 1M$0.47
Context1M

Key numbers

Standard tier · highlighted = better

DeepSeek V4 Flash Vision Exp
Qwen3.8 Flash
Input / 1M tokens
$0.22
$0.15
Output / 1M tokens
$0.65
$0.47
Batch input / output
Not listed
Not listed
Context window
1,048,576
1,000,000
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
standard
standard
Prices checked
2026-10-10
2026-09-01

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$155/mo
$110/mo
RAG over documents2k queries/day · 12k in, 500 out
$175/mo
$122/mo
Coding agent300 tasks/day · 60k in, 8k out
$163/mo
$115/mo

DeepSeek V4 Flash Vision Exp   Qwen3.8 Flash · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

Same square. DeepSeek V4 Flash Vision Exp and Qwen3.8 Flash share C5.

Same square as DeepSeek V4 Flash Vision Exp: Claude Haiku 5.5 ($0.10), Muse Spark 1.2 Contributor ($0.10), Muse Spark 1.3 Contributor ($0.10). Open C5

AFreeB<$0.10C$0.10–0.30D$0.30–1E$1–3F$3–10G$10–30H$30+1<32K232–128K3128–256K4256K–1M51M6>1MINPUT PRICE PER 1M TOKENS →CONTEXT WINDOW ↑ · position within a square follows the real valueMiniMax-01 · C5Llama 4 Maverick · C5Qwen3.6 Flash · C5Gemini 3.1 Flash Lite · C5Gemini 3.1 Flash Lite Preview · C5Qwen-Plus · C5Qwen3.8 Omni Flash · C5Claude Haiku 5.5 · C5DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision ExpQwen3.8 FlashQwen3.8 Flash
DeepSeek V4 Flash Vision ExpQwen3.8 FlashNearest neighboursOpen weights
View the map as a table (1 squares)
SquarePrice bandContext bandModels
GRIDC5$0.10–0.301MDeepSeek V4 Flash Vision Exp, Qwen3.8 Flash, MiniMax-01, Llama 4 Maverick, Qwen3.6 Flash, Gemini 3.1 Flash Lite, Gemini 3.1 Flash Lite Preview, Qwen-Plus, Qwen3.8 Omni Flash, Claude Haiku 5.5

Capabilities side by side

Only what our records list

DeepSeek V4 Flash Vision Exp
Qwen3.8 Flash
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Not listed
Not listed
Free tier
Not listed
Not listed
Thinking tier
Not listed
Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose DeepSeek V4 Flash Vision Exp if…

  • your prompts are long: it takes 1,048,576 tokens against 1,000,000

Choose Qwen3.8 Flash if…

  • you pay by the token: it costs $0.15 per 1M input against $0.22
  • output dominates your bill: $0.47 per 1M output against $0.65

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is DeepSeek V4 Flash Vision Exp better than Qwen3.8 Flash?
We do not benchmark quality, so we cannot say. On the recorded numbers: Qwen3.8 Flash is about 1.4× cheaper on input ($0.15 against $0.22 per 1M tokens) and on output. DeepSeek V4 Flash Vision Exp has the larger context window (1.05M against 1M tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $155 a month for DeepSeek V4 Flash Vision Exp and $110 for Qwen3.8 Flash. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, DeepSeek V4 Flash Vision Exp or Qwen3.8 Flash?
Qwen3.8 Flash: $0.15 against $0.22 per 1M input tokens, and $0.47 against $0.65 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
DeepSeek V4 Flash Vision Exp: $0.22 input and $0.65 output. Qwen3.8 Flash: $0.15 input and $0.47 output. Standard tier, USD.
Which has the larger context window?
DeepSeek V4 Flash Vision Exp, with 1,048,576 tokens. Qwen3.8 Flash has 1,000,000 tokens.
Do both offer batch pricing?
Neither lists a batch tier in our catalogue.
Can both read images or audio?
Input types recorded for DeepSeek V4 Flash Vision Exp: none recorded. For Qwen3.8 Flash: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.
Is either model open-weight?
DeepSeek V4 Flash Vision Exp: not marked open-weight in our records. Qwen3.8 Flash: not marked open-weight in our records.
What would each cost for a support chatbot?
At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $155 a month for DeepSeek V4 Flash Vision Exp and $110 for Qwen3.8 Flash. This is our calculation from the listed prices, not a quote.

About the two models

DeepSeek V4 Flash Vision Exp

By DeepSeek. $0.22 input and $0.65 output per 1M tokens, 1.05M context, atlas square C5. Tiers listed: standard.

Full specs & pricing →

Qwen3.8 Flash

By Qwen (Alibaba). $0.15 input and $0.47 output per 1M tokens, 1M context, atlas square C5. Tiers listed: standard.

Full specs & pricing →

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