AI Models · Paid vs Paid

GPT-6 Astra Paid vs AIAion-2.0 Paid

GPT-6 Astra vs Aion-2.0 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 AstraPaidOpenAI
$10 /M input
$50 /M outputManaged API (no infra to run)
TypeProprietary
Context window1.1M tokens
MultimodalYes
Self-hostNo
AIAion-2.0PaidAionLabs
$0.8 /M input
$1.6 /M outputManaged API (no infra to run)
TypeProprietary
Context window131K tokens
MultimodalNo
Self-hostNo
Choose Aion-2.0 for the lower output price ($1.6/M vs $50/M). Choose GPT-6 Astra if you need the larger 1.1M context window.

GPT-6 Astra vs Aion-2.0 specs

SpecGPT-6 AstraAion-2.0Winner
MakerOpenAIAionLabs
TypeProprietaryProprietary
Context window1.1M tokens131K tokensGPT-6 Astra
Input price$10/M$0.8/MAIAion-2.0
Output price$50/M$1.6/MAIAion-2.0
Vision / multimodalYesNoGPT-6 Astra
Tool / function callingYesYes= Tie
Self-hostableNo (API only)No (API only)
LicenseProprietaryProprietary

Price gap & when to choose each

31×cheaper per output token

Aion-2.0 is ~31× cheaper than GPT-6 Astra on output tokens ($1.6 vs $50 per M tokens).

Choose GPT-6 Astra 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-2.0 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 AstraAion-2.0
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: GPT-6 Astra vs Aion-2.0

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

GPT-6 Astra
Aion-2.0
Intelligence index
52.8
Coding index
76.9
GPQA
96.1%
Humanity's Last Exam
54.7%
Long Context Reasoning
80.7%
SciCode
56.5%
τ-Bench Banking
41.4%
Terminal-Bench
88.4%
Speed
64.2 tok/s
Latency
215.68s
Intelligence per $
2.6

Benchmark data by Artificial Analysis.

How GPT-6 Astra and Aion-2.0 score

🤝 Neck and neck on these criteria (2.9 vs 2.8 / 5).
CriterionGPT-6 AstraAion-2.0
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 Paid

OpenAI · Proprietary

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

Aion-2.0 Paid

AionLabs · Proprietary

Aion-2.0 is a variant of DeepSeek V3.2 optimized for immersive roleplaying and storytelling. It is particularly strong at introducing tension, crises, and conflict into stories, making narratives feel more engaging....

Frequently asked questions

GPT-6 Astra vs Aion-2.0 — which is cheaper?

Aion-2.0 is cheaper on output ($1.6/M vs $50/M).

Which has the larger context window?

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

GPT-6 Astra vs Aion-2.0 — which should I pick in 2026?

Choose Aion-2.0 for the lower output price ($1.6/M vs $50/M). Choose GPT-6 Astra if you need the larger 1.1M context window.

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