Google: Gemma 4 31B (free) vs inclusionAI: Ling 3.0 Flash Fin (free)
Neither wins outright: Google: Gemma 4 31B (free) is the pick when you need structured output (JSON schema), inclusionAI: Ling 3.0 Flash Fin (free) when you need log-probabilities.
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)
Google: Gemma 4 31B (free)
inclusionAI: Ling 3.0 Flash Fin (free)
Difference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$0
$0
—
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$0
$0
—
Coding / tool-using agent
2,000 tasks — each a multi-step task with tool calls and file context (60,000 in / 6,000 out tokens)
$0
$0
—
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$0
$0
—
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$0
$0
—
Capabilities side by side
Capability
Google: Gemma 4 31B (free)
inclusionAI: Ling 3.0 Flash Fin (free)
What it lets you do
Tool / function calling
✓ Yes
✓ Yes
call your APIs and run agent loops
Structured output (JSON schema)
✓ Yes
—
return JSON that validates against your schema
Reasoning / thinking mode
✓ Yes
✓ Yes
spend extra tokens thinking before answering hard problems
Image input
✓ Yes
—
read screenshots, charts and scanned pages
Audio input
—
—
take speech or audio directly
File / PDF input
—
—
accept documents without your own parsing step
Image output
—
—
generate images, not just text
Built-in web search
—
—
answer from live web results
Seed (reproducible sampling)
✓ Yes
✓ Yes
repeat a generation for tests and evals
Log-probabilities
—
✓ Yes
read token confidence for classification and scoring
From each model's published parameters and input/output types. “—” means not advertised, not proven absent.
Price history
Google: Gemma 4 31B (free): price unchanged since we started tracking it on 2026-08-06.
inclusionAI: Ling 3.0 Flash Fin (free): price unchanged since we started tracking it on 2026-08-28.
Which should you choose?
Choose Google: Gemma 4 31B (free) if…
you need structured output (JSON schema) — to return JSON that validates against your schema; inclusionAI: Ling 3.0 Flash Fin (free) does not advertise it
you need image input — to read screenshots, charts and scanned pages; inclusionAI: Ling 3.0 Flash Fin (free) does not advertise it
Choose inclusionAI: Ling 3.0 Flash Fin (free) if…
you need log-probabilities — to read token confidence for classification and scoring; Google: Gemma 4 31B (free) does not advertise it
you want the newer model — released 2026-08-27, 5 months after the other
Frequently asked questions
Is Google: Gemma 4 31B (free) better than inclusionAI: Ling 3.0 Flash Fin (free)?
Neither wins outright: Google: Gemma 4 31B (free) is the pick when you need structured output (JSON schema), inclusionAI: Ling 3.0 Flash Fin (free) when you need log-probabilities. In short: Google: Gemma 4 31B (free) when you need structured output (JSON schema), you need image input; inclusionAI: Ling 3.0 Flash Fin (free) when you need log-probabilities, you want the newer model.
Which is cheaper, Google: Gemma 4 31B (free) or inclusionAI: Ling 3.0 Flash Fin (free)?
They cost the same: $0 per 1M tokens at a 3:1 input/output mix.
How much do Google: Gemma 4 31B (free) and inclusionAI: Ling 3.0 Flash Fin (free) cost per million tokens?
Google: Gemma 4 31B (free) costs $0 per 1M input tokens and $0 per 1M output tokens; inclusionAI: Ling 3.0 Flash Fin (free) costs $0 input and $0 output. Output tokens are billed separately, so long answers shift the gap.
Which has the bigger context window, Google: Gemma 4 31B (free) or inclusionAI: Ling 3.0 Flash Fin (free)?
Both take 262K tokens per request — roughly 393 pages of text.
Do Google: Gemma 4 31B (free) and inclusionAI: Ling 3.0 Flash Fin (free) support function calling and JSON output?
Can Google: Gemma 4 31B (free) or inclusionAI: Ling 3.0 Flash Fin (free) read images?
Only Google: Gemma 4 31B (free) accepts image input; inclusionAI: Ling 3.0 Flash Fin (free) is text-only for input.
Is Google: Gemma 4 31B (free) or inclusionAI: Ling 3.0 Flash Fin (free) free to use?
Google: Gemma 4 31B (free) has a free variant (google/gemma-4-31b-it:free); inclusionAI: Ling 3.0 Flash Fin (free) has a free variant (inclusionai/ling-3.0-flash-fin:free). Free variants usually carry tighter rate limits.
What is the maximum output length of Google: Gemma 4 31B (free) and inclusionAI: Ling 3.0 Flash Fin (free)?
Google: Gemma 4 31B (free) can write up to 33K tokens (about 24,600 words) per response; inclusionAI: Ling 3.0 Flash Fin (free) up to 33K (about 24,600 words).
When were Google: Gemma 4 31B (free) and inclusionAI: Ling 3.0 Flash Fin (free) released?
Google: Gemma 4 31B (free) was listed on 2026-04-02; inclusionAI: Ling 3.0 Flash Fin (free) on 2026-08-27.
Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, native function...
Ling 3.0 Flash Fin is a finance-focused mixture-of-experts model from InclusionAI, built on Ling 3.0 Flash with 5.1B active parameters out of 124B total. It is designed for real-world investment...