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Upstage: Solar Pro 3

upstage/solar-pro-3
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Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency.

Modalities
In / out per 1M$0.15 / $0.60
Context128K
ReleasedJan 27, 2026

Providers

1 provider serves this model upstream.

Providers serving this model
ProviderInput /MOutput /MCache read /MLatency P50Throughput P50Uptime
Upstage$0.15$0.60$0.011.05s112 tps100%

Market-wide measurements, refreshed every 15 minutes. They describe who serves Solar Pro 3 in general, not how ProjectCOZY routes your requests.

Pricing

List rates per 1M tokens — what Solar Pro 3 costs pay-as-you-go elsewhere, not what you pay here.

Input
$0.15
per 1M tokens
Output
$0.60
per 1M tokens
Cache read
$0.01
per 1M cached tokens
Included in every pass
Solar Pro 3 is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.

Performance

Time to first token and output speed across every provider, over the last 3 days.

0.0s2.0s4.0s6.0s8.0s
Oct 16, 12 AMOct 16, 11 AMOct 16, 7 PMOct 17, 10 PMOct 18, 10 AM
Median 90th percentile 99th percentile
0 tok/s100 tok/s200 tok/s300 tok/s400 tok/s
Oct 16, 12 AMOct 16, 11 AMOct 16, 7 PMOct 17, 10 PMOct 18, 10 AM
Median 90th percentile 99th percentile

Uptime

100% of requests were served successfully over the last 3 days, across all providers.

Last 3 daysAvailability 99.96%
Oct 16, 12:00 PMNow
Availability over the last 24 hoursAvailability 100%
100% 98% 97% 95%
Oct 18, 12:50 PMNow

Apps

Tools that most often run Solar Pro 3, by tokens this week.

Nous Research APIGeneral Chat · 47.3% of tokens47.3MHermes AgentPersonal Agent · 21.2% of tokens21.2Mexperiential14.7% of tokens14.7MClineIde Extension · 10.5% of tokens10.5MSWE-bench reviewer pilot6.3% of tokens6.3M

Activity

570.0M tokens processed market-wide in the last month.

050.0M100.0M150.0M200.0M
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens

FAQ

Which model id do I use for Solar Pro 3?
upstage/solar-pro-3. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does Solar Pro 3 hold?
131,072 tokens per request, of which up to 117,964 can be the response.
What can it accept and return?
Input: text. Output: text.
What does Solar Pro 3 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.15 per 1M input tokens and $0.60 per 1M output tokens.
Who built Solar Pro 3?
Upstage, in the Solar family.

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