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Solar Pro 3
upstage·upstage/solar-pro3·GA·Closed·solar-pro series
Flagship model for demanding analysis, coding, and production agent workflows
At a glance
Official price$0.25 / $0.25 per 1M
Cache read — · Upstage
Lowest paid$0.25 / $0.25
Upstage Gateway · 1.7× spread
Context131,072
⚠ Providers report 128,000–131,072; the table below is authoritative
Output limit8,192
Capabilities
✓ Reasoning✓ Tool useStructured output✓ TemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
Text
Knowledge cutoff2025-03
Released / updated2026-01 / 2026-01
Quality & performanceArtificial Analysis · Intelligence Index v4.1
Intelligence14.5
Value58
Coding16.2
Agentic2.9
Output speed152 tok/s
TTFT2.38 s
Cost per task$0.1457
Value formulaIQ 14.5 ÷ min blended $0.250 = 58
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 4 providers4 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| UpstageOfficial | Gateway | $0.25 | $0.25 | — | — | 131,072 | 8,192 | |
| NanoGPT upstage/solar-pro-3 | Gateway | $0.15 | $0.60 | $0.015 | — | 128,000 ⚠ | 128,000 | |
| OpenRouter upstage/solar-pro-3 | Gateway | $0.15 | $0.60 | $0.015 | — | 131,072 | 131,072 | |
| LLMTR | Gateway | $0.15 | $0.60 | — | — | 131,072 | 8,192 |
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$43.80
2OpenRouter$43.80
3LLMTR$60.00
4Upstage · Official$62.50
Switch to NanoGPT to save $18.70/mo (30%)
Note: this is a gateway; verify availability and rate limits yourself.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = loweffort = mediumeffort = high
1 / 4 providers expose no reasoning control (reasoning_options: []).
Related models
Solar Pro 4 Thinkingsame series$0.03 / $0.12Solar Pro 4same series$0.30 / $1.20Upstage: Solar Pro 3same series$0.15 / $0.60GPT-5 Nanocheaper alternative$0.05 / $0.40GLM-4.7-Flashcheaper alternative$0 / $0Hy3cheaper alternative$0 / $0Nemotron 3 Nano 30B A3Bcheaper alternative$0 / $0
Price historyone sample accumulated per data sync
Input list $0.25Output list $0.25Min blended $0.25
Price history accumulates from each data sync; currently only 1 sample(s) (2026-08-17). Each future sync adds a point, and once accumulated a line is drawn here.