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Solar Pro 4

Tools
upstage/solar-pro4

524K context · Aug 2026 · 3 upstreams

Solar Pro 4 is Upstage's cost-efficient large language model with a 524K context window, built for long-horizon tasks and agentic workflows.

Bring your own keyAnyRouter has no platform route for Solar Pro 4. Requests use your key and bill your provider account. AnyRouter adds no fee.
context
524K
input / 1M (list)
$0.03
output / 1M (list)
$0.12
routes
3
speed, 24h
—

Upstreams

3
  1. 1OpenRouterYour key · not addedyour planTPS —TTFT ——
  2. 2AIHubMixYour key · not addedyour planTPS —TTFT ——
  3. 3Nous ResearchYour key · not addedyour planTPS —TTFT ——
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Try it

Send a prompt

Details

Owner
Upstage
Kind
Chat
Released
Aug 2026
Context
524K
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "upstage/solar-pro4",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'