LLM Comparison
GLM-5.3-Flash vs Solar Pro 3
Side-by-side specs, pricing & capabilities
Price vs Intelligence
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2/6 models| Organization | ||
| OpenTools Score | 74 456 | 5 13.9 |
| Family | GLM | Solar |
| Status | Current | Current |
| Release Date | Aug 2026 | Jan 2026 |
| Context Window | 1.3M tokens | 128K tokens |
| Input Price | $0.07/M tokens | $0.15/M tokens |
| Output Price | $0.25/M tokens | $0.60/M tokens |
| Pricing Notes | OpenRouter lists a limited-time discounted price of $0.075/M input and $0.25/M output. Standard first-party style pricing is commonly $0.15/M input and $0.50/M output; cache-read pricing may vary by provider. | Cache read: $0.0150/M tokens |
| Capabilities | textvisionvideo-inputcodetool-usereasoninglong-contextopen-weights | textcode |
| Training Cutoff | Not disclosed | — |
| Max Output | 131K tokens | — |
| API Identifier | z-ai/glm-5.3-flash | upstage/solar-pro-3 |
| Benchmarks | ||
| Artificial Analysis Intelligence Index v4.3 | 41.9 indexartificial-analysis | 7.8 indexartificial-analysis |
| GPQA Diamond | 91.2%artificial-analysis | 72.4%artificial-analysis |
| SciCode | 51.6%artificial-analysis | 25.5%artificial-analysis |
| Terminal-Bench 2.1 | 84.3%artificial-analysis | 12%artificial-analysis |
| View GLM-5.3-Flash | View Solar Pro 3 | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| GLM-5.3-FlashCheapest | $0.08 | $0.13 | $0.20 | — |
| Solar Pro 3 | $0.15 | $0.30 | $0.45 | +125% |
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Z.ai
GLM-5.3-Flash
GLM-5.3-Flash is Z.ai’s open-weight GLM-5 model for efficient coding, long-horizon agent tasks, and long-context multimodal reasoning. It uses a hybrid sparse and linear attention design with 320B total parameters and 18B active parameters.
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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