Aion-2.0 vs R1 0528

Prices checked

R1 0528 takes 4 of 5 rounds against Aion-2.0. It is also the cheaper of the two to run, at $0.30 per million tokens against $1.

Aion Labs

Aion-2.0

131k context · tool calling

$1/M tokens

OpenRouter's own price · $0.58 per 1,000 pages

DeepSeekWins 4 rounds

R1 0528

164k context · tool calling · open weights

$0.30/M tokens

Cheapest price, at Lambda · $0.16 per 1,000 pages

Maker's price in (lower wins)

$0.80/M

$0.55/M

Maker's price out (lower wins)

$1.60/M

$2.19/M

Cheapest price (lower wins)

none below the maker

$0.30/M at Lambda

Maker's price, blended (lower wins)

$1/M

$0.96/M

Cost per 1,000 pages (lower wins)

$0.58

$0.16

Context

131k tokens

164k tokens

Open weights

no

yes

Tool calling

yes

yes

Structured output

no

yes

Reads images

no

no

Reasoning

yes

yes

Released

21 Dec 2025

28 May 2025

Providers selling it

7

34

Price we measure against

OpenRouter

the maker's own

Trains on your prompts (no is better)

no provider to check

not published

Providers selling both · 5

  • Kilo Gateway$1 / $0.91
  • NanoGPT$1 / $0.91
  • Nous Portal$1 / $0.91
  • OpenRouter$1 / $0.91
  • TrustedRouter$1.06 / $0.96

Aion-2.0, then R1 0528, per million tokens.

Go further

Add a third or fourth model, or change the weighting, in the tool.

Frequently asked

Which is cheaper, Aion-2.0 or R1 0528?
R1 0528, at $0.30 per million tokens against $1 for Aion-2.0, blended 3 in : 1 out, read on 31 Oct 2026.
Where is each one cheapest?
Aion-2.0: nobody sells it below OpenRouter's own price with a stated reason, so $1 is the number to beat. R1 0528: $0.30 at Lambda.
Can I buy both from one provider?
Yes. 5 providers sell both: Kilo Gateway, NanoGPT, Nous Portal, OpenRouter, TrustedRouter. The cheapest of them for the two together is Kilo Gateway.
Which holds more context?
R1 0528, at 164k tokens against 131k.

Prices exclude tax, read 31 Oct 2026 from each provider's own catalog. They are per M tokens, blended 3 in : 1 out, and a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.

Related comparisons

More