| Signal | Solar Pro 3 | Delta | GLM 4.5 Air (free) |
|---|---|---|---|
Capabilities | 67 | +17 | |
Pricing | 1 | -29 | |
Context window size | 81 | 0 | |
Recency | 100 | +12 | |
Output Capacity | 20 | -63 | |
| Overall Result | 2 wins | of 5 | 3 wins |
9
days higher
1
days
20
days higher
Upstage
Zhipu AI
GLM 4.5 Air (free) saves you $45.00/month
That's $540.00/year compared to Solar Pro 3 at your current usage level of 100K calls/month.
| Metric | Solar Pro 3 | GLM 4.5 Air (free) | Winner |
|---|---|---|---|
| Overall Score | 73 | 73 | -- |
| Rank | #140 | #142 | Solar Pro 3 |
| Quality Rank | #140 | #142 | Solar Pro 3 |
| Adoption Rank | #140 | #142 | Solar Pro 3 |
| Parameters | -- | -- | -- |
| Context Window | 128K | 131K | GLM 4.5 Air (free) |
| Pricing | $0.15/$0.60/M | Free | -- |
| Signal Scores | |||
| Capabilities | 67 | 50 | Solar Pro 3 |
| Pricing | 1 | 30 | GLM 4.5 Air (free) |
| Context window size | 81 | 81 | GLM 4.5 Air (free) |
| Recency | 100 | 88 | Solar Pro 3 |
| Output Capacity | 20 | 83 | GLM 4.5 Air (free) |
Our composite score (0–100) combines six weighted signals: benchmark performance (25%), pricing efficiency (25%), context window size (15%), model recency (15%), output capacity (10%), and capability versatility (10%). Here's what the scores mean for these two models:
Scores 73/100 (rank #140), placing it in the top 52% of all 290 models tracked.
Scores 73/100 (rank #142), placing it in the top 51% of all 290 models tracked.
With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.
Both models are priced similarly, so the decision comes down to quality and features rather than cost.
Both models have comparable response speeds. For most applications, the latency difference is negligible.
When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.
Code generation & review
Higher benchmark score (0/100) indicates stronger performance on coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Faster response time (speed score 0/100) is critical for user-facing chat. GLM 4.5 Air (free) also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (131K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (73/100) correlates with better nuance, coherence, and style in long-form content
Solar Pro 3 and GLM 4.5 Air (free) are extremely close in overall performance (only 0 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
Solar Pro 3
Marginally better benchmark scores; both are excellent
Best for Cost
GLM 4.5 Air (free)
100% lower pricing; better value at scale
Best for Reliability
Solar Pro 3
Higher uptime and faster response speeds
Best for Prototyping
Solar Pro 3
Stronger community support and better developer experience
Best for Production
Solar Pro 3
Wider enterprise adoption and proven at scale
by Upstage
| Capability | Solar Pro 3 | GLM 4.5 Air (free) |
|---|---|---|
| Vision (Image Input) | ||
| Function Calling | ||
| Streaming | ||
| JSON Modediffers | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
Upstage
Zhipu AI
GLM 4.5 Air (free) saves you $0.9900/month
That's 100% cheaper than Solar Pro 3 at 1,000 tokens/request and 100 requests/day.
Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.
| Parameter | Solar Pro 3 | GLM 4.5 Air (free) |
|---|---|---|
| Context Window | 128K | 131K |
| Max Output Tokens | -- | 96,000 |
| Open Source | No | Yes |
| Created | Jan 27, 2026 | Jul 25, 2025 |
Both Solar Pro 3 and GLM 4.5 Air (free) score 73/100, making them extremely close competitors. Choose based on pricing, provider ecosystem, or specific capability requirements.
Solar Pro 3 is ranked #140 and GLM 4.5 Air (free) is ranked #142 out of 290+ AI models. Rankings use a composite score combining benchmark performance (25%), pricing (25%), context window (15%), recency (15%), output capacity (10%), and versatility (10%). Scores update hourly.
GLM 4.5 Air (free) is cheaper at $0.00/M output tokens vs Solar Pro 3's $0.60/M output tokens - 600.0x more expensive. Input token pricing: Solar Pro 3 at $0.15/M vs GLM 4.5 Air (free) at $0.00/M.
GLM 4.5 Air (free) has a larger context window of 131,072 tokens compared to Solar Pro 3's 128,000 tokens. A larger context window means the model can process longer documents and conversations.