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Model comparison · Updated 1 Sep 2026

Gemini 3 Flash Preview vs Qwen3.8 27B

Qwen3.8 27B is about 1.2× cheaper on input ($0.43 against $0.50 per 1M tokens) and on output. Gemini 3 Flash Preview 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 $495 a month for Gemini 3 Flash Preview and $421 for Qwen3.8 27B.

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ModelsAtlas. “Gemini 3 Flash Preview vs Qwen3.8 27B”. Retrieved 1 Sep 2026. https://modelsatlas.com/compare/google/gemini-3-flash-preview/vs/qwen/3-8-27b

Model A

Gemini 3 Flash Preview

by Google · weights not marked open · GRIDD5

Input / 1M
$0.50
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
Output / 1M$3.00
Context1.05M
vs

Model B

Qwen3.8 27B

by Qwen (Alibaba) · weights not marked open · GRIDD5

Input / 1M
$0.43
observed We measured
Source
Our catalogue
Retrieved
1 Sep 2026
Output / 1M$2.55
Context1M

Key numbers

Standard tier · highlighted = better

Gemini 3 Flash Preview
Qwen3.8 27B
Input / 1M tokens
$0.50
$0.43
Output / 1M tokens
$3.00
$2.55
Batch input / output
$0.25 / $1.50
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
batch, standard
standard
Prices checked
2026-08-17
2026-09-01

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$495/mo
$421/mo
RAG over documents2k queries/day · 12k in, 500 out
$450/mo
$383/mo
Coding agent300 tasks/day · 60k in, 8k out
$486/mo
$413/mo

Gemini 3 Flash Preview   Qwen3.8 27B · 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. Gemini 3 Flash Preview and Qwen3.8 27B share D5.

Same square as Gemini 3 Flash Preview: DeepSeek V4.1 Flash ($0.30), Gemini 2.5 Flash ($0.30), Gemini 3.5 Flash Lite ($0.30). Open D5

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 valueNemotron 3 Ultra (free) · D5MiniMax M1 · D5Mistral Large 4 · D5Gemini 3.6 Flash · D5Gemini 3.7 Flash · D5Qwen3.6 Plus · D5Qwen3.7 Plus · D5DeepSeek V4.1 Flash · D5Gemini 3 Flash PreviewGemini 3 Flash PreviewQwen3.8 27BQwen3.8 27B
Gemini 3 Flash PreviewQwen3.8 27BNearest neighboursOpen weights
View the map as a table (1 squares)
SquarePrice bandContext bandModels
GRIDD5$0.30–11MGemini 3 Flash Preview, Qwen3.8 27B, Nemotron 3 Ultra (free), MiniMax M1, Mistral Large 4, Gemini 3.6 Flash, Gemini 3.7 Flash, Qwen3.6 Plus, Qwen3.7 Plus, DeepSeek V4.1 Flash

Capabilities side by side

Only what our records list

Gemini 3 Flash Preview
Qwen3.8 27B
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Supported
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 Gemini 3 Flash Preview if…

  • your prompts are long: it takes 1,048,576 tokens against 1,000,000
  • work can wait: it lists a batch tier and the other does not

Choose Qwen3.8 27B if…

  • you pay by the token: it costs $0.43 per 1M input against $0.50
  • output dominates your bill: $2.55 per 1M output against $3.00

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 Gemini 3 Flash Preview better than Qwen3.8 27B?
We do not benchmark quality, so we cannot say. On the recorded numbers: Qwen3.8 27B is about 1.2× cheaper on input ($0.43 against $0.50 per 1M tokens) and on output. Gemini 3 Flash Preview 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 $495 a month for Gemini 3 Flash Preview and $421 for Qwen3.8 27B. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, Gemini 3 Flash Preview or Qwen3.8 27B?
Qwen3.8 27B: $0.43 against $0.50 per 1M input tokens, and $2.55 against $3.00 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
Gemini 3 Flash Preview: $0.50 input and $3.00 output. Qwen3.8 27B: $0.43 input and $2.55 output. Standard tier, USD.
Which has the larger context window?
Gemini 3 Flash Preview, with 1,048,576 tokens. Qwen3.8 27B has 1,000,000 tokens.
Do both offer batch pricing?
Gemini 3 Flash Preview lists a batch tier, at 50% of its standard price. Qwen3.8 27B lists no batch tier.
Can both read images or audio?
Input types recorded for Gemini 3 Flash Preview: none recorded. For Qwen3.8 27B: 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?
Gemini 3 Flash Preview: not marked open-weight in our records. Qwen3.8 27B: 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 $495 a month for Gemini 3 Flash Preview and $421 for Qwen3.8 27B. This is our calculation from the listed prices, not a quote.

About the two models

Gemini 3 Flash Preview

By Google. $0.50 input and $3.00 output per 1M tokens, 1.05M context, atlas square D5. Tiers listed: batch, standard.

Full specs & pricing →

Qwen3.8 27B

By Qwen (Alibaba). $0.43 input and $2.55 output per 1M tokens, 1M context, atlas square D5. Tiers listed: standard.

Full specs & pricing →

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