AIAion-3.0 Paid vs 
Codestral 2508 Paid
Aion-3.0 vs Codestral 2508 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Aion-3.0 — full profile › · Codestral 2508 — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$6 /M outputManaged API (no infra to run)
$0.9 /M outputManaged API (no infra to run)
Aion-3.0 vs Codestral 2508 specs
| Spec | Aion-3.0 | Codestral 2508 | Winner |
|---|---|---|---|
| Maker | AionLabs | Mistral AI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 131K tokens | 256K tokens | |
| Input price | $3/M | $0.3/M | |
| Output price | $6/M | $0.9/M | |
| Vision / multimodal | No | No | – |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
Codestral 2508 is ~6.7× cheaper than Aion-3.0 on output tokens ($0.9 vs $6 per M tokens).
- You want frontier performance through a managed API
- You value reliability & ecosystem
- You don't want to manage infrastructure
- You want frontier performance through a managed API
- You need the longer 256K context window
- You want the lower output price
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | Aion-3.0 | Codestral 2508 |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✗ | ✗ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
How Aion-3.0 and Codestral 2508 score
| Criterion | Aion-3.0 | Codestral 2508 |
|---|---|---|
| Cost-efficiency | 4.0 | 5.0 |
| Context window | 3.5 | 4.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 3.5 | 3.5 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
Aion-3.0 Paid
Aion-3.0 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each contribute...
Codestral 2508 Paid
Mistral's cutting-edge language model for coding released end of July 2025. Codestral specializes in low-latency, high-frequency tasks such as fill-in-the-middle (FIM), code correction and test generation. [Blog Post](https://mistral.ai/ne
Frequently asked questions
Aion-3.0 vs Codestral 2508 — which is cheaper?
Codestral 2508 is cheaper on output ($0.9/M vs $6/M).
Which has the larger context window?
Codestral 2508 offers the larger context window (256K tokens).
Aion-3.0 vs Codestral 2508 — which should I pick in 2026?
Choose Codestral 2508 for the lower output price ($0.9/M vs $6/M). It also gives you the larger 256K context window.
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