LLM Comparison
DeepSeek V4 Flash 0731 vs GLM-5.3-Flash
Side-by-side specs, pricing & capabilities · Updated September 2026
Price vs Intelligence
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 48 227 | 75 463 |
| Family | DeepSeek V4 Flash | GLM |
| Status | Current | Current |
| Release Date | Jul 2026 | Aug 2026 |
| Context Window | 1.0M tokens | 1.3M tokens |
| Input Price | $0.14/M tokens | $0.07/M tokens |
| Output Price | $0.28/M tokens | $0.25/M tokens |
| Pricing Notes | DeepSeek API pricing lists $0.0028 cache-hit input, $0.14 cache-miss input, and $0.28 output per 1M tokens for deepseek-v4-flash; peak pricing may change after a future official announcement. | 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. |
| Capabilities | reasoningcodingtool-usestructured-outputlong-contextresponses-api | textvisionvideo-inputcodetool-usereasoninglong-contextopen-weights |
| Training Cutoff | — | Not disclosed |
| Max Output | 393K tokens | 131K tokens |
| API Identifier | deepseek-v4-flash | z-ai/glm-5.3-flash |
| Benchmarks | ||
| Artificial Analysis Intelligence Index v4.1 | 50artificial-analysis | — |
| Artificial Analysis Intelligence Index v4.1.1 | 52artificial-analysis | 57artificial-analysis |
| MMLU | — | 88.1official |
| View DeepSeek V4 Flash 0731 | View GLM-5.3-Flash | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| GLM-5.3-FlashCheapest | $0.08 | $0.13 | $0.20 | — |
| DeepSeek V4 Flash 0731 | $0.14 | $0.14 | $0.28 | +40% |
DeepSeek
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 is an open-weight, cost-efficient reasoning model for long-context coding, agent tasks, and API workflows through DeepSeek.
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.
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