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Solar Pro 4 Thinking
upstage·upstage/solar-pro4-thinking·GA·Closed·solar-pro series·NEW
Upstage's flagship model, specialized for agentic use
At a glance
Reference price$0.03 / $0.12 per 1M
Cache read $0.006 · NanoGPT
Lowest paid$0.03 / $0.12
NanoGPT Gateway
Context524,288
Output limit131,072
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ TemperatureAttachments
Modalities
Text
Knowledge cutoff2026-02
Released / updated2026-08-06 / 2026-08-06
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT upstage/solar-pro4:thinking | Gateway | $0.03 | $0.12 | $0.006 | — | 524,288 | 131,072 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1NanoGPT$9.12
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = noneeffort = loweffort = mediumeffort = high
Related models
Solar Pro 4same series$0.30 / $1.20Upstage: Solar Pro 3same series$0.15 / $0.60Solar Pro 3same series$0.25 / $0.25Nemotron 3.5 Lightning 30B A3Bcheaper alternative$0 / $0Laguna S 2.1cheaper alternative$0 / $0Laguna XS 2.1cheaper alternative$0 / $0Laguna M.1cheaper alternative$0 / $0
Price historyone sample accumulated per data sync
Input listOutput listMin blended