Side by side
GLM Latest vs Aion 3.5 Mini
Source: OpenRouter (live)
Live figures
The numbers
Best value in each row is highlighted. “Not declared” means the provider does not advertise the feature on its listing.
| Attribute | ||
|---|---|---|
| Input priceUSD per 1M tokens | $0.56 (best) | $0.70 |
| Output priceUSD per 1M tokens | $1.76 | $1.40 (best) |
| Blended price75% in / 25% out | $0.86 (best) | $0.87 |
| Vs. market median | 1.0× dearer | 1.0× dearer |
| Value rankcheapest = 1 | #222 (best) | #223 |
| Context windowtokens | 1.3M (best) | 262K |
| Max outputtokens | 131K (best) | 33K |
| Input modalities | text | text |
| Output modalities | text | text |
| Tool calling | Declared | Declared |
| Reasoning | Declared | Declared |
| Structured output | Declared | Declared |
| Listed on OpenRouter | 2026-08-19 | 2026-09-23 (best) |
Blended price assumes a 3:1 input-to-output token mix. Median is across all 431 priced models.
Add or swap modelsCost calculator
At your volume
Estimate the monthly bill for these models at your own token volumes.
| Model | Input | Output | Monthly | Yearly | vs cheapest | |
|---|---|---|---|---|---|---|
| Z.ai: GLM Latest ~Z Ai · $0.561 in / $1.76 out per M | $28 | $26 | $55 | $654 | Cheapest | |
| AionLabs: Aion 3.5 Mini Aion Labs · $0.700 in / $1.40 out per M | $35 | $21 | $56 | $672 | +$1.46 (1.0×) |
Estimates use list prices per million tokens from live provider listings. Cached-input, batch and volume discounts are not included, so real bills are often lower.
Read-out
What the numbers say
- Z.ai: GLM Latest is the cheapest here at $0.86/M blended; AionLabs: Aion 3.5 Mini costs 1% more.
- Z.ai: GLM Latest offers the largest context window (1.3M tokens) versus 262K for AionLabs: Aion 3.5 Mini.
Models
Model pages
Full pricing history, capabilities and alternatives for each model in this comparison.
~Z Ai
$0.862
/M blended
Aion Labs
$0.875
/M blended
More comparisons
Other head-to-heads
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The two models most production apps actually run. How the price gap compares to the capability gap.
- Gemini vs GPT-5: Google's flagship against OpenAI's
Gemini's very long context and multimodal input against GPT-5's ecosystem and pricing.
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