Model comparison
DeepSeek V4.1 Flash vs GLM-5.3
Compare DeepSeek V4.1 Flash vs GLM-5.3 API pricing: input/output token costs, cache pricing, context windows, workload estimates, and routing fit.
DeepSeek V4.1 Flash
deepseek · deepseek-flash
- Input
- $0.3
- Output
- $1.2
- Context
- 1M
GLM-5.3
cloudflare · glm-5.3
- Input
- $1.4
- Output
- $4.4
- Context
- 1M
Quick take
DeepSeek V4.1 Flash has the lower input price at $0.3 per 1M input tokens. DeepSeek V4.1 Flash is cheaper for the example blended workload below. GLM-5.3 has the larger context window at 1M tokens.
Choose DeepSeek V4.1 Flash if...
- DeepSeek V4.1 Flash is the better default for cost-sensitive traffic and repeated high-volume calls.
- DeepSeek V4.1 Flash gives more room for long generated answers, reports, or code output.
- DeepSeek V4.1 Flash is required if images, screenshots, or visual documents are part of the workflow.
Choose GLM-5.3 if...
- GLM-5.3 is safer for long documents, repository analysis, and RAG prompts because it has the larger context window.
Example workload cost
Estimates use input tokens plus 20% output tokens. They exclude provider discounts, cache hits, and tool/search surcharges.
| Workload | DeepSeek V4.1 Flash | GLM-5.3 | Cheaper |
|---|---|---|---|
| 1M input + 200K output | $0.54 | $2.28 | DeepSeek V4.1 Flash |
| 10M input + 2M output | $5.40 | $22.80 | DeepSeek V4.1 Flash |
| 100M input + 20M output | $54.00 | $228.00 | DeepSeek V4.1 Flash |
Context, output, and capability fit
GLM-5.3 provides the larger context window. Check max output separately when the task needs long reports, code generation, or full-document rewrites.
- DeepSeek V4.1 Flash max output
- 384K
- GLM-5.3 max output
- n/a
- DeepSeek V4.1 Flash features
- prompt caching, function calling, vision
- GLM-5.3 features
- prompt caching, function calling
Risk notes for DeepSeek V4.1 Flash
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Risk notes for GLM-5.3
- No major capability risk is flagged in this snapshot, but provider pages should still be verified before production routing.
Routing tags
budgethigh-volumecodingreasoninglong-contextcache-friendlymultimodalragfrontieragentsopen-weightlocal-open