Aion-2.0 vs Hermes 3 405B Instruct
Prices checked
Aion-2.0 and Hermes 3 405B Instruct split the 5 rounds this table counts: the maker's two prices, the cheapest price, the maker's blended price and context. The weighting you pick decides the rest.
Aion-2.0
131k context · tool calling
$1/M tokensOpenRouter's own price · $0.58 per 1,000 pages
Nous ResearchHermes 3 405B Instruct
131k context · open weights
$1/M tokensOpenRouter's own price · $0.66 per 1,000 pages
Maker's price in (lower wins)
$0.80/M
$1/M
Maker's price out (lower wins)
$1.60/M
$1/M
Cheapest price (lower wins)
none below the maker
none below the maker
Maker's price, blended (lower wins)
$1/M
$1/M
Cost per 1,000 pages (lower wins)
$0.58
$0.66
Context
131k tokens
131k tokens
Open weights
no
yes
Tool calling
yes
no
Structured output
no
yes
Reads images
no
no
Reasoning
yes
no
Released
21 Dec 2025
16 Aug 2024
Providers selling it
7
9
Price we measure against
OpenRouter
OpenRouter
Trains on your prompts (no is better)
no provider to check
no provider to check
Providers selling both · 3
Kilo Gateway$1 / $1
OpenRouter$1 / $1
TrustedRouter$1.06 / $1.06
Aion-2.0, then Hermes 3 405B Instruct, 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 Hermes 3 405B Instruct?
- Neither: both run at $1 per million tokens, 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. Hermes 3 405B Instruct: nobody sells it below OpenRouter's own price with a stated reason, so $1 is the number to beat.
- Can I buy both from one provider?
- Yes. 3 providers sell both: Kilo Gateway, OpenRouter, TrustedRouter. The cheapest of them for the two together is Kilo Gateway.
- Which holds more context?
- Both hold 131k tokens in one call.
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.
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