API cost decision in 10 seconds
GLM 5V Turbo vs 🔥Claude Sonnet 4.6
Pick GLM 5V Turbo for lower cost; pick Claude Sonnet 4.6 only if the larger context window matters more.
Budget verdict
Pick GLM 5V Turbo for lower cost; pick Claude Sonnet 4.6 only if the larger context window matters more.
On the standard 1M input plus 500K output workload, GLM 5V Turbo is estimated at $3.2 vs $10.5 for Claude Sonnet 4.6, saving $7.3 (69.5% lower).
Claude Sonnet 4.6 has more context, but GLM 5V Turbo saves $7.3 on the standard workload. At 10x that traffic, the same price gap is about $73. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
GLM 5V Turbo stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | GLM 5V Turbo | Claude Sonnet 4.6 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | GLM 5V Turbo | $8 | $22.5 |
| Balanced workload | 1M input + 1M output | GLM 5V Turbo | $5.2 | $18 |
| Output-heavy chatbot | 1M input + 5M output | GLM 5V Turbo | $21.2 | $78 |
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
GLM 5V Turbo has the lower input price, GLM 5V Turbo has the lower output price, and Claude Sonnet 4.6 offers the larger context window.
For a 1M input token plus 500K output token workload, the estimated API cost is $3.2 for GLM 5V Turbo and $10.5 for Claude Sonnet 4.6.
Choose GLM 5V Turbo when you care most about lower input-token price, and lower output-token price.
Choose Claude Sonnet 4.6 when you care most about larger context window.
| Feature | GLM 5V Turbo (Z.ai) | 🔥Claude Sonnet 4.6 (Anthropic) |
|---|---|---|
| Input Price prompt tokens per 1M | $1.2 | $3 |
| Completion Price per 1M tokens | $4 | $15 |
| Sample Workload Cost 1M input + 500K output | $3.2 | $10.5 |
| Context Window | 202.75K | 1M |
| Release Date | 2026-04-01 | 2026-02-17 |
| Popularity | #4 |
GLM-5V-Turbo is Z.ai’s first native multimodal agent foundation model, built for vision-based coding and agent-driven tasks. It natively handles image, video, and text inputs, excels at long-horizon planning, complex coding,...
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | GLM 5V Turbo | On the standard 1M input plus 500K output workload, GLM 5V Turbo is estimated at $3.2 vs $10.5 for Claude Sonnet 4.6, saving $7.3 (69.5% lower). |
| High-volume input processing | GLM 5V Turbo | Lower prompt-token price matters most when prompts or retrieved passages dominate the bill. |
| Long responses and chatbots | GLM 5V Turbo | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Claude Sonnet 4.6 | A larger context window leaves more room for retrieved passages and source files. |