aionlabs · Efficient
AionLabs: Aion 3.5 Mini
A GLM-family collaborative generation model tuned for immersive roleplay and storytelling, with stronger narrative structure, tension, conflict, and nuanced mature themes.
- Reasoning
- Tools
- Input
- Text
- Output
- Text
- Discovery tier
- Efficient
Pricing
USD per 1M tokens- Input
- $0.70
- Output
- $1.40
- Cache read
- $0.18
Reference prices as published by the model provider. API example
Specifications
- Context window
- 262.1K
- Max output
- 32.8K
- Average output (7 days)
- 1.6K tokens
- Longer than 88% of 473 models
Side by side
AionLabs: Aion 3.5 Mini compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| AionLabs: Aion 3.5 MiniaionlabsThis model | GPT 5.4 MiniOpenAIRemove | |
|---|---|---|
| Provider | aionlabs | OpenAI |
| Discovery tier | Efficient | Efficient |
| Added | Sep 23, 2026 | Mar 17, 2026 |
| Limits | ||
| Context window | 262.14K | 400KBest |
| Max output | 32.77K | 128KBest |
| Average output | 1.6K tokens | 172 tokens |
| Pricing, USD per 1M tokens | ||
| Input | $0.70Best | $0.75 |
| Output | $1.40Best | $4.50 |
| Cache read | $0.18 | $0.075Best |
| Performance | ||
| Throughput | 167.2 tok/sBest | 127.6 tok/s |
| Time to first token | 9.7 s | 2.2 sBest |
| Request success (24h) | 99.7% | 100.0%Best |
| Benchmark indexes | ||
| Intelligence Index | — | 11.1 |
| Capabilities | ||
| Reasoning | Yes | Yes |
| Tools | Yes | Yes |
| Vision | No | Yes |
| Structured output | No | Yes |
| PDF input | No | Yes |
| Reasoning effort | — | none, low, medium, high, xhigh |
Public evaluations
Benchmarks
Independent evaluation results, with how each score ranks among the models in the Noumen catalog.
- AionLabs: Aion 3.5 Mini
- GPT 5.4 Mini
Intelligence Index
- AionLabs: Aion 3.5 Mini—
- GPT 5.4 Mini11.1
Agentic work
GDPval-AAv2.1
Economically valuable occupational tasks, rated head to head
- AionLabs: Aion 3.5 Mini: —
- GPT 5.4 Mini: 589 Elo
Document reasoning
AA-LCRv1.1
Reasoning across long documents
- AionLabs: Aion 3.5 Mini: —
- GPT 5.4 Mini: 37.0%
Reasoning and knowledge
Humanity’s Last Exam
Expert-level questions across academic fields
- AionLabs: Aion 3.5 Mini: —
- GPT 5.4 Mini: 5.9%
GPQA Diamond
Graduate-level science questions
- AionLabs: Aion 3.5 Mini: —
- GPT 5.4 Mini: 60.6%
IFBench
Following precise output instructions
- AionLabs: Aion 3.5 Mini: —
- GPT 5.4 Mini: 38.8%
Legacy evaluations
Terminal-Bench Hard
Earlier terminal task suite
- AionLabs: Aion 3.5 Mini: —
- GPT 5.4 Mini: 18.2%
τ²-Bench Telecom
Tool use in a customer-support simulation
- AionLabs: Aion 3.5 Mini: —
- GPT 5.4 Mini: 23.4%
AA-LCR (unversioned)
Long-context reasoning, earlier grading
- AionLabs: Aion 3.5 Mini: —
- GPT 5.4 Mini: 37.0%
Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis
- AionLabs: Aion 3.5 Mini
- GPT 5.4 Mini
| Leaderboard | AionLabs: Aion 3.5 Mini | GPT 5.4 Mini |
|---|---|---|
| FrontierMath v2 (Tiers 1–3) | Not in top 20 | #12 · 51.2% |
| GPQA Diamond | Not in top 20 | #15 · 86.9% |
Ranks among Noumen catalog models on Epoch AI leaderboards. Only top-20 placements are listed.Epoch AI
Live routing data
Performance and reliability
Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.
- Throughput
- 167.2 tok/s
- Faster than 79% of 260 models
- Time to first token
- 9.7 s
- Quicker than 10% of 260 models
- Prompt cache hits
- 66.6%
- About $0.35 per 1M input tokens with caching
- Request success (24h)
- 99.7%
- Reliable
Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.
- Healthy (98% or more)
- Degraded (90–98%)
- Down (under 90%)
- No requests
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "aion-labs/aion-3.5-mini",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="aion-labs/aion-3.5-mini",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)aionlabs
Related models
Other aionlabs models, starting with the same family.