GLM 5.3 Flash vs Mistral Small 4: cost per task
GLM 5.3 Flash is cheaper on 14 of 14 tasks and about 4.2x cheaper on average (geometric mean).
| Task | GLM 5.3 Flash | Mistral Small 4 | Difference |
|---|---|---|---|
| Answer a chat question | 0.04¢ | 0.08¢ | 2.3x |
| Reply to a customer email | <0.01¢ | 0.22¢ | 33.7x |
| Write a 1,500-word blog post | 0.14¢ | 0.47¢ | 3.4x |
| Write 10 product descriptions | 0.14¢ | 0.19¢ | 1.3x |
| Translate 1,000 words | 0.21¢ | 0.75¢ | 3.6x |
| Proofread one page (500 words) | 0.02¢ | 0.26¢ | 13.3x |
| Summarize a 20-page PDF | 0.10¢ | 0.33¢ | 3.4x |
| Extract data from an invoice | 0.02¢ | 0.16¢ | 7.3x |
| Analyze a 200-row spreadsheet | 0.34¢ | 0.71¢ | 2.1x |
| Answer from 5 retrieved documents (RAG) | 0.06¢ | 0.25¢ | 4.3x |
| Classify 100 support tickets | 0.16¢ | 0.46¢ | 2.8x |
| Review 500 lines of code | 0.34¢ | 0.62¢ | 1.8x |
| Write a SQL query | 0.03¢ | 0.19¢ | 5.9x |
| Run a 50-step coding agent | 2.6¢ | 13¢ | 5.3x |
Specs and list prices
| GLM 5.3 Flash | Mistral Small 4 | |
|---|---|---|
| Input per 1M | $0.048 | $0.15 |
| Output per 1M | $0.20 | $0.60 |
| Cached input per 1M | $0.006 | $0.015 |
| Context | 1M | 262K |
| Providers | 34 | 4 |
| Reasoning | always | default |
| LMArena Text | 1474 | - |
| Released | Aug 26, 2026 | Mar 16, 2026 |
FAQ
Is GLM 5.3 Flash or Mistral Small 4 cheaper?
GLM 5.3 Flash is cheaper on 14 of 14 tasks and about 4.2x cheaper on average (geometric mean).
How much does GLM 5.3 Flash cost compared to Mistral Small 4 per token?
GLM 5.3 Flash: $0.048 input and $0.20 output per 1M tokens. Mistral Small 4: $0.15 input and $0.60 output. Token prices alone mislead - models use different numbers of tokens for the same task, which is what the task table shows.