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Model comparison · Updated 2 Nov 2026

Gemma 4 31B vs Qwen3 VL 8B Instruct

Gemma 4 31B is about 1.3× cheaper on input ($0.20 against $0.25 per 1M tokens) and on output. Both have a 262K-token context window. For a support chatbot at 10,000 chats a day, the standard-tier bill is about $126 a month for Gemma 4 31B and $180 for Qwen3 VL 8B Instruct.

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ModelsAtlas. “Gemma 4 31B vs Qwen3 VL 8B Instruct”. Retrieved 2 Nov 2026. https://modelsatlas.com/compare/google/gemma-4-31b-it/vs/qwen/3-vl-8b-instruct

Model A

Gemma 4 31B

by Google · weights not marked open · GRIDC4

Input / 1M
$0.20
observed We measured
Source
Our catalogue
Retrieved
2 Nov 2026
Output / 1M$0.40
Context262K
vs

Model B

Qwen3 VL 8B Instruct

by Qwen (Alibaba) · open weights · GRIDC4

Input / 1M
$0.25
observed We measured
Source
Our catalogue
Retrieved
10 Oct 2026
Output / 1M$0.75
Context262K

Key numbers

Standard tier · highlighted = better

Gemma 4 31B
Qwen3 VL 8B Instruct
Input / 1M tokens
$0.20
$0.25
Output / 1M tokens
$0.40
$0.75
Batch input / output
Not listed
Not listed
Context window
262,144
262,144
Input types
Not disclosed
text
Weights
Not marked open
Open
License
Not disclosed
apache-2.0
Tiers listed
free, standard
standard
Prices checked
2026-11-02
2026-10-10

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$126/mo
$180/mo
RAG over documents2k queries/day · 12k in, 500 out
$156/mo
$203/mo
Coding agent300 tasks/day · 60k in, 8k out
$137/mo
$189/mo

Gemma 4 31B   Qwen3 VL 8B Instruct · 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. Gemma 4 31B and Qwen3 VL 8B Instruct share C4.

Same square as Gemma 4 31B: Qwen3 30B A3B Instruct 2507 ($0.10), Qwen3.6 35B A3B ($0.10), Qwen3 Coder Next ($0.12). Open C4

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 valueMinistral 3 14B 2512 · C4Qwen3 VL 235B A22B Instruct · C4Llama 4 Maverick · C4Qwen3.5-9B · C4Qwen3.5-122B-A10B · C4Qwen3.5-27B · C4Gemma 4 31BGemma 4 31BQwen3 VL 8B InstructQwen3 VL 8B Instruct
Gemma 4 31BQwen3 VL 8B InstructNearest neighboursOpen weights
View the map as a table (1 squares)
SquarePrice bandContext bandModels
GRIDC4$0.10–0.30256K–1MGemma 4 31B, Qwen3 VL 8B Instruct, Ministral 3 14B 2512, Qwen3 VL 235B A22B Instruct, Llama 4 Maverick, Qwen3.5-9B, Qwen3.5-122B-A10B, Qwen3.5-27B

Capabilities side by side

Only what our records list

Gemma 4 31B
Qwen3 VL 8B Instruct
Vision input
Not disclosed
Not recorded
Audio input
Not disclosed
Not recorded
Open weights
Not marked open
Supported
Batch tier
Not listed
Not listed
Free tier
Supported
Not listed
Thinking tier
Not listed
Not listed

Which should you choose?

Editorial

Choose Gemma 4 31B if…

  • you pay by the token: it costs $0.20 per 1M input against $0.25
  • output dominates your bill: $0.40 per 1M output against $0.75
  • you want to try it free: it lists a free tier

Choose Qwen3 VL 8B Instruct if…

  • you want open weights, so you can run the model yourself

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 Gemma 4 31B better than Qwen3 VL 8B Instruct?
We do not benchmark quality, so we cannot say. On the recorded numbers: Gemma 4 31B is about 1.3× cheaper on input ($0.20 against $0.25 per 1M tokens) and on output. Both have a 262K-token context window. For a support chatbot at 10,000 chats a day, the standard-tier bill is about $126 a month for Gemma 4 31B and $180 for Qwen3 VL 8B Instruct. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, Gemma 4 31B or Qwen3 VL 8B Instruct?
Gemma 4 31B: $0.20 against $0.25 per 1M input tokens, and $0.40 against $0.75 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
Gemma 4 31B: $0.20 input and $0.40 output. Qwen3 VL 8B Instruct: $0.25 input and $0.75 output. Standard tier, USD.
Which has the larger context window?
Neither: both have 262,144 tokens.
Do both offer batch pricing?
Neither lists a batch tier in our catalogue.
Can both read images or audio?
Input types recorded for Gemma 4 31B: none recorded. For Qwen3 VL 8B Instruct: text. 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?
Gemma 4 31B: not marked open-weight in our records. Qwen3 VL 8B Instruct: open weights.
Is either model free?
Gemma 4 31B is listed at no per-token charge; Qwen3 VL 8B Instruct is not. Read the provider's limits before relying on a free offer.
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 $126 a month for Gemma 4 31B and $180 for Qwen3 VL 8B Instruct. This is our calculation from the listed prices, not a quote.

About the two models

Gemma 4 31B

By Google. $0.20 input and $0.40 output per 1M tokens, 262K context, atlas square C4. Tiers listed: free, standard.

Full specs & pricing →

Qwen3 VL 8B Instruct

By Qwen (Alibaba), open weights. $0.25 input and $0.75 output per 1M tokens, 262K context, atlas square C4. Tiers listed: standard.

Full specs & pricing →

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