Choose AionLabs: Aion-1.0 if…
No advantage on the data we track — pick it for provider preference or output quality on your own prompts.
Google: Gemini 3.1 Pro Preview (batch) comes out ahead on the data we track: 11 advantages and none for AionLabs: Aion-1.0.
| Spec | AionLabs: Aion-1.0 | Google: Gemini 3.1 Pro Preview (batch) |
|---|---|---|
| Provider | Aion Labs | |
| Input price (per 1M tokens) | $4.00 | $1.00 |
| Output price (per 1M tokens) | $8.00 | $6.00 |
| Blended price (3:1 input/output) | $5.00 | $2.25 |
| Cheaper than … of all models we track | 10% | 24% |
| Context window | 131K tokens (~197 pages) | 1.0M tokens (~1,573 pages) |
| Larger context than … of all models | 23% | 81% |
| Max output per response | 33K tokens (~24,600 words) | 66K tokens (~49,200 words) |
| Input types | text | audio, file, image, text, video |
| Output types | text | text |
| Free variant | No | No |
| Listed since | 2025-02-04 | 2026-02-19 |
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-1.0 | Google: Gemini 3.1 Pro Preview (batch) | Difference |
|---|---|---|---|
| Customer-support chatbot 50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens) | $460 | $195 | Google: Gemini 3.1 Pro Preview (batch) saves $265 |
| RAG search over documents 20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens) | $560 | $180 | Google: Gemini 3.1 Pro Preview (batch) saves $380 |
| 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) | $576 | $192 | Google: Gemini 3.1 Pro Preview (batch) saves $384 |
| Batch summarisation 10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens) | $368 | $116 | Google: Gemini 3.1 Pro Preview (batch) saves $252 |
| Long-document analysis 500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens) | $208 | $56.00 | Google: Gemini 3.1 Pro Preview (batch) saves $152 |
| Capability | AionLabs: Aion-1.0 | Google: Gemini 3.1 Pro Preview (batch) | What it lets you do |
|---|---|---|---|
| Tool / function calling | — | ✓ 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 | — | ✓ Yes | take speech or audio directly |
| File / PDF input | — | ✓ Yes | accept documents without your own parsing step |
| Image output | — | — | generate images, not just text |
| Built-in web search | — | ✓ Yes | answer from live web results |
| Seed (reproducible sampling) | — | ✓ Yes | repeat a generation for tests and evals |
| Log-probabilities | — | — | read token confidence for classification and scoring |
From each model's published parameters and input/output types. “—” means not advertised, not proven absent.
No advantage on the data we track — pick it for provider preference or output quality on your own prompts.
Google: Gemini 3.1 Pro Preview (batch) comes out ahead on the data we track: 11 advantages and none for AionLabs: Aion-1.0.
Google: Gemini 3.1 Pro Preview (batch) is cheaper: $2.25 vs $5.00 per 1M tokens at a typical 3:1 input/output mix, 55% less. For 50,000 support conversations a month that is $195 against $460.
AionLabs: Aion-1.0 costs $4.00 per 1M input tokens and $8.00 per 1M output tokens; Google: Gemini 3.1 Pro Preview (batch) costs $1.00 input and $6.00 output. Output tokens are billed separately, so long answers shift the gap.
Google: Gemini 3.1 Pro Preview (batch): 1.0M tokens, about 1,573 pages, against 131K (about 197 pages) for AionLabs: Aion-1.0.
Tool calling — AionLabs: Aion-1.0: not advertised, Google: Gemini 3.1 Pro Preview (batch): yes. JSON-schema structured output — AionLabs: Aion-1.0: not advertised, Google: Gemini 3.1 Pro Preview (batch): yes.
Only Google: Gemini 3.1 Pro Preview (batch) accepts image input; AionLabs: Aion-1.0 is text-only for input.
No free variant is listed for either; both are pay-per-token.
AionLabs: Aion-1.0 can write up to 33K tokens (about 24,600 words) per response; Google: Gemini 3.1 Pro Preview (batch) up to 66K (about 49,200 words).
AionLabs: Aion-1.0 was listed on 2025-02-04; Google: Gemini 3.1 Pro Preview (batch) on 2026-02-19.
Aion-1.0 is a multi-model system designed for high performance across various tasks, including reasoning and coding. It is built on DeepSeek-R1, augmented with additional models and techniques such as Tree of Thoughts (ToT) and Mixture of Experts (MoE). It is Aion Lab's most powerful reasoning model.
Full AionLabs: Aion-1.0 specs →Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
Full Google: Gemini 3.1 Pro Preview (batch) specs →