Hy4 preview vs GLM Flash Latest
| Signal | Hy4 preview | Delta | GLM Flash Latest |
|---|---|---|---|
Capabilities | 67 | -17 | |
Pricing | 98 | -1 | |
Context window size | 96 | -- | |
Recency | 100 | -- | |
Output Capacity | 77 | -19 | |
| Overall Result | 0 wins | of 5 | 3 wins |
Score History
40
current score
Tied
right now
40
current score
Hy4 preview
Tencent
GLM Flash Latest
~z-ai
GLM Flash Latest saves you $101.60/month
That's $1219.26/year compared to Hy4 preview at your current usage level of 100K calls/month.
| Metric | Hy4 preview | GLM Flash Latest | Winner |
|---|---|---|---|
| Overall Score | 40 | 40 | -- |
| Rank | #251 | #252 | Hy4 preview |
| Quality Rank | #251 | #252 | Hy4 preview |
| Adoption Rank | #251 | #252 | Hy4 preview |
| Parameters | -- | -- | -- |
| Context Window | 1049K | 1049K | -- |
| Pricing | $0.75/$2.25/M | $0.06/$1.60/M | -- |
| Signal Scores | |||
| Capabilities | 67 | 83 | GLM Flash Latest |
| Pricing | 98 | 98 | GLM Flash Latest |
| Context window size | 96 | 96 | Hy4 preview |
| Recency | 100 | 100 | Hy4 preview |
| Output Capacity | 77 | 96 | GLM Flash Latest |
Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.
Scores 40/100 (rank #251), placing it in the top 14% of all 290 models tracked.
Scores 40/100 (rank #252), placing it in the top 13% 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.
Choose Hy4 preview when you need:
- Step-by-step reasoning and chain-of-thought problem solving
- Self-hosted deployments where you need full control over the model
Choose GLM Flash Latest when you need:
- Multimodal workflows that require image understanding
- Step-by-step reasoning and chain-of-thought problem solving
GLM Flash Latest offers 45% better value per quality point. At 1M tokens/day, you'd spend $24.90/month with GLM Flash Latest vs $45.02/month with Hy4 preview - a $20.12 monthly difference.
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
Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Suitable for user-facing chat with competitive response times. GLM Flash Latest also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($1.60/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (40/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
Hy4 preview and GLM Flash Latest 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.
By Use Case
Best for Quality
Hy4 preview
Marginally better benchmark scores; both are excellent
Best for Cost
GLM Flash Latest
45% lower pricing; better value at scale
Best for Reliability
Hy4 preview
Higher uptime and faster response speeds
Best for Prototyping
Hy4 preview
Stronger community support and better developer experience
Best for Production
Hy4 preview
Wider enterprise adoption and proven at scale
by Tencent
- Choose for Quality - Marginally better benchmark scores; both are excellent
- Choose for Reliability - Higher uptime and faster response speeds
- Choose for Prototyping - Stronger community support and better developer experience
- Choose for Production - Wider enterprise adoption and proven at scale
| Capability | Hy4 preview | GLM Flash Latest |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Search | ||
| Image Output |
Hy4 preview
Tencent
GLM Flash Latest
~z-ai
GLM Flash Latest saves you $2.02/month
That's 50% cheaper than Hy4 preview 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 | Hy4 preview | GLM Flash Latest |
|---|---|---|
| Context Window | 1.0M | 1.0M |
| Max Output Tokens | 64,000 | 943,718 |
| Open Source | Yes | No |
| Created | Aug 28, 2026 | Aug 27, 2026 |