LLM Comparison
ERNIE 4.5 21B A3B Thinking vs Solar Pro 3
Side-by-side specs, pricing & capabilities · Updated April 2026
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2/6 modelsSame tier:
E ERNIE 4.5 21B A3B Thinking | S Solar Pro 3 | |
|---|---|---|
| Organization | Baidu | Upstage |
| OpenTools Score | ||
| Family | ERNIE | Solar |
| Status | Current | Current |
| Release Date | Oct 2025 | Jan 2026 |
| Context Window | 131K tokens | 128K tokens |
| Input Price | $0.07/M tokens | $0.15/M tokens |
| Output Price | $0.28/M tokens | $0.60/M tokens |
| Pricing Notes | — | Cache read: $0.0150/M tokens |
| Capabilities | textcodeextended-thinking | textcode |
| Max Output | 66K tokens | — |
| API Identifier | baidu/ernie-4.5-21b-a3b-thinking | upstage/solar-pro-3 |
| View ERNIE 4.5 21B A3B Thinking | View Solar Pro 3 |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| ERNIE 4.5 21B A3B ThinkingCheapest | $0.07 | $0.14 | $0.21 | — |
| Solar Pro 3 | $0.15 | $0.30 | $0.45 | +114% |
Baidu
ERNIE 4.5 21B A3B Thinking
ERNIE 4.5 21B A3B Thinking is a large language model from Baidu. Supports up to 131,072 token context window. Available from $0.07/M input tokens.
Upstage
Solar Pro 3
Solar Pro 3 is a large language model from Upstage. Supports up to 128,000 token context window. Available from $0.15/M input tokens.
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