AionLabs: Aion 3.5 Mini vs inclusionAI: Ling 3.0 Flash Fin (free)

Neither wins outright: AionLabs: Aion 3.5 Mini is the pick when you need structured output (JSON schema), inclusionAI: Ling 3.0 Flash Fin (free) when cost matters at scale.

Key numbers

SpecAionLabs: Aion 3.5 MiniinclusionAI: Ling 3.0 Flash Fin (free)
ProviderAion LabsInclusionai
Input price (per 1M tokens)$0.70$0
Output price (per 1M tokens)$1.40$0
Blended price (3:1 input/output)$0.87$0
Cheaper than … of all models we track42%90%
Context window262K tokens (~393 pages)262K tokens (~393 pages)
Larger context than … of all models48%48%
Max output per response33K tokens (~24,600 words)33K tokens (~24,600 words)
Input typestexttext
Output typestexttext
Free variantNoYes
Listed since2026-09-232026-08-27
Advertisement

What it costs for real workloads

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)AionLabs: Aion 3.5 MiniinclusionAI: Ling 3.0 Flash Fin (free)Difference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$80.50$0inclusionAI: Ling 3.0 Flash Fin (free) saves $80.50
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$98.00$0inclusionAI: Ling 3.0 Flash Fin (free) saves $98.00
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)
$101$0inclusionAI: Ling 3.0 Flash Fin (free) saves $101
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$64.40$0inclusionAI: Ling 3.0 Flash Fin (free) saves $64.40
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$36.40$0inclusionAI: Ling 3.0 Flash Fin (free) saves $36.40

Capabilities side by side

CapabilityAionLabs: Aion 3.5 MiniinclusionAI: Ling 3.0 Flash Fin (free)What it lets you do
Tool / function calling✓ Yes✓ Yescall your APIs and run agent loops
Structured output (JSON schema)✓ Yes—return JSON that validates against your schema
Reasoning / thinking mode✓ Yes✓ Yesspend extra tokens thinking before answering hard problems
Image input——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)—✓ Yesrepeat a generation for tests and evals
Log-probabilities—✓ Yesread token confidence for classification and scoring

From each model's published parameters and input/output types. “—” means not advertised, not proven absent.

Price history

Which should you choose?

Choose AionLabs: Aion 3.5 Mini 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

Choose inclusionAI: Ling 3.0 Flash Fin (free) if…

  • cost matters at scale — it is 100% cheaper on a typical 3:1 input/output mix ($0 vs $80.50 a month for 50,000 support chats)
  • you need seed (reproducible sampling) — to repeat a generation for tests and evals; AionLabs: Aion 3.5 Mini does not advertise it
  • you need log-probabilities — to read token confidence for classification and scoring; AionLabs: Aion 3.5 Mini does not advertise it
  • you want to prototype at zero cost — a free variant is listed

Frequently asked questions

Is AionLabs: Aion 3.5 Mini better than inclusionAI: Ling 3.0 Flash Fin (free)?

Neither wins outright: AionLabs: Aion 3.5 Mini is the pick when you need structured output (JSON schema), inclusionAI: Ling 3.0 Flash Fin (free) when cost matters at scale. In short: AionLabs: Aion 3.5 Mini when you need structured output (JSON schema); inclusionAI: Ling 3.0 Flash Fin (free) when cost matters at scale, you need seed (reproducible sampling), you need log-probabilities, you want to prototype at zero cost.

Which is cheaper, AionLabs: Aion 3.5 Mini or inclusionAI: Ling 3.0 Flash Fin (free)?

inclusionAI: Ling 3.0 Flash Fin (free) is cheaper: $0 vs $0.87 per 1M tokens at a typical 3:1 input/output mix, 100% less. For 50,000 support conversations a month that is $0 against $80.50.

How much do AionLabs: Aion 3.5 Mini and inclusionAI: Ling 3.0 Flash Fin (free) cost per million tokens?

AionLabs: Aion 3.5 Mini costs $0.70 per 1M input tokens and $1.40 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, AionLabs: Aion 3.5 Mini or inclusionAI: Ling 3.0 Flash Fin (free)?

Both take 262K tokens per request — roughly 393 pages of text.

Do AionLabs: Aion 3.5 Mini and inclusionAI: Ling 3.0 Flash Fin (free) support function calling and JSON output?

Tool calling — AionLabs: Aion 3.5 Mini: yes, inclusionAI: Ling 3.0 Flash Fin (free): yes. JSON-schema structured output — AionLabs: Aion 3.5 Mini: yes, inclusionAI: Ling 3.0 Flash Fin (free): not advertised.

Can AionLabs: Aion 3.5 Mini or inclusionAI: Ling 3.0 Flash Fin (free) read images?

Neither accepts image input — both are text-in models.

Is AionLabs: Aion 3.5 Mini or inclusionAI: Ling 3.0 Flash Fin (free) free to use?

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 AionLabs: Aion 3.5 Mini and inclusionAI: Ling 3.0 Flash Fin (free)?

AionLabs: Aion 3.5 Mini 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 AionLabs: Aion 3.5 Mini and inclusionAI: Ling 3.0 Flash Fin (free) released?

AionLabs: Aion 3.5 Mini was listed on 2026-09-23; inclusionAI: Ling 3.0 Flash Fin (free) on 2026-08-27.

About the two models

Compare AionLabs: Aion 3.5 Mini with other models

Compare inclusionAI: Ling 3.0 Flash Fin (free) with other models

Advertisement