LongCat 2.0 vs Solar Pro 4
Prices checked
LongCat 2.0 and Solar Pro 4 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.
LongCat 2.0
1M context · tool calling · open weights
$0.52/M tokensOpenRouter's own price · $0.25 per 1,000 pages
UpstageSolar Pro 4
524k context · tool calling
$0.26/M tokensCheapest price, at Nous Portal · $0.13 per 1,000 pages
Maker's price in (lower wins)
$0.30/M
$0.30/M
Maker's price out (lower wins)
$1.20/M
$1.20/M
Cheapest price (lower wins)
none below the maker
$0.26/M at Nous Portal
Maker's price, blended (lower wins)
$0.52/M
$0.52/M
Cost per 1,000 pages (lower wins)
$0.25
$0.13
Context
1M tokens
524k tokens
Open weights
yes
not published
Tool calling
yes
yes
Structured output
no
yes
Reads images
no
no
Reasoning
yes
yes
Released
20 Jul 2026
10 Aug 2026
Providers selling it
12
8
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 · 2
Nous Portal$0.53 / $0.26
Kilo Gateway$1.31 / $0.53
LongCat 2.0, then Solar Pro 4, per million tokens.
Go further
Add a third or fourth model, or change the weighting, in the tool.
Frequently asked
- Which is cheaper, LongCat 2.0 or Solar Pro 4?
- Solar Pro 4, at $0.26 per million tokens against $0.52 for LongCat 2.0, blended 3 in : 1 out, read on 31 Oct 2026.
- Where is each one cheapest?
- LongCat 2.0: nobody sells it below OpenRouter's own price with a stated reason, so $0.52 is the number to beat. Solar Pro 4: $0.26 at Nous Portal.
- Can I buy both from one provider?
- Yes. 2 providers sell both: Nous Portal, Kilo Gateway. The cheapest of them for the two together is Nous Portal.
- Which holds more context?
- LongCat 2.0, at 1M tokens against 524k.
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.