AI Models · Paid vs Paid

GPT-6 Astra Pro Paid vs AIAion-3.0-Mini Paid

GPT-6 Astra Pro vs Aion-3.0-Mini compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

GPT-6 Astra ProPaidOpenAI
$10 /M input
$50 /M outputManaged API (no infra to run)
TypeProprietary
Context window1.1M tokens
MultimodalYes
Self-hostNo
AIAion-3.0-MiniPaidAionLabs
$0.7 /M input
$1.4 /M outputManaged API (no infra to run)
TypeProprietary
Context window131K tokens
MultimodalNo
Self-hostNo
Choose Aion-3.0-Mini for the lower output price ($1.4/M vs $50/M). Choose GPT-6 Astra Pro if you need the larger 1.1M context window.

GPT-6 Astra Pro vs Aion-3.0-Mini specs

SpecGPT-6 Astra ProAion-3.0-MiniWinner
MakerOpenAIAionLabs
TypeProprietaryProprietary
Context window1.1M tokens131K tokensGPT-6 Astra Pro
Input price$10/M$0.7/MAIAion-3.0-Mini
Output price$50/M$1.4/MAIAion-3.0-Mini
Vision / multimodalYesNoGPT-6 Astra Pro
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

36×cheaper per output token

Aion-3.0-Mini is ~36× cheaper than GPT-6 Astra Pro on output tokens ($1.4 vs $50 per M tokens).

Choose GPT-6 Astra Pro if…
  • You want frontier performance through a managed API
  • You need the longer 1.1M context window
  • You value reliability & ecosystem
  • You don't want to manage infrastructure
AIChoose Aion-3.0-Mini if…
  • You want frontier performance through a managed API
  • You want the lower output price
  • You value reliability & ecosystem
  • You don't want to manage infrastructure

Feature comparison

CapabilityGPT-6 Astra ProAion-3.0-Mini
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

How GPT-6 Astra Pro and Aion-3.0-Mini score

🤝 Neck and neck on these criteria (2.9 vs 2.8 / 5).
CriterionGPT-6 Astra ProAion-3.0-Mini
Cost-efficiency2.04.5
Context window5.03.5
Openness1.51.5
Self-hosting1.01.0
Multimodality5.03.5

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

GPT-6 Astra Pro Paid

OpenAI · Proprietary

GPT-6 Astra Pro is the same underlying model as [GPT-6 Astra](https://openrouter.ai/openai/gpt-6-astra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://develope

Aion-3.0-Mini Paid

AionLabs · Proprietary

Aion-3.0 Mini is a multi-model roleplaying and storytelling system from AionLabs, built on the DeepSeek family of models. It uses a collaborative generation process in which multiple specialized models each...

Frequently asked questions

GPT-6 Astra Pro vs Aion-3.0-Mini — which is cheaper?

Aion-3.0-Mini is cheaper on output ($1.4/M vs $50/M).

Which has the larger context window?

GPT-6 Astra Pro offers the larger context window (1.1M tokens).

GPT-6 Astra Pro vs Aion-3.0-Mini — which should I pick in 2026?

Choose Aion-3.0-Mini for the lower output price ($1.4/M vs $50/M). Choose GPT-6 Astra Pro if you need the larger 1.1M context window.

People also compare

Explore more open-source AI

Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.

Open the leaderboard →