MiniMax M3.1 Flash (free) is free for input tokens while GLM 5.3 FlashX Legal costs $0.37 per 1M tokens.
API cost decision in 10 seconds
NewGLM 5.3 FlashX Legal vs NewMiniMax M3.1 Flash (free)
Pick MiniMax M3.1 Flash (free) for lower cost; pick GLM 5.3 FlashX Legal only if the larger context window matters more.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick MiniMax M3.1 Flash (free) for lower cost; pick GLM 5.3 FlashX Legal only if the larger context window matters more.
On the standard 1M input plus 500K output workload, MiniMax M3.1 Flash (free) is estimated at $0 vs $0.99 for GLM 5.3 FlashX Legal, saving $0.99 (100% lower).
Cost-first pickMiniMax M3.1 Flash (free)
Context-first pickGLM 5.3 FlashX Legal
Sample savings$0.99100%
10x traffic gap$9.95
GLM 5.3 FlashX Legal has more context, but MiniMax M3.1 Flash (free) saves $0.99 on the standard workload. At 10x that traffic, the same price gap is about $9.95. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
MiniMax M3.1 Flash (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | GLM 5.3 FlashX Legal | MiniMax M3.1 Flash (free) |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | MiniMax M3.1 Flash (free) | $2.48 | $0 |
| Balanced workload | 1M input + 1M output | MiniMax M3.1 Flash (free) | $1.62 | $0 |
| Output-heavy chatbot | 1M input + 5M output | MiniMax M3.1 Flash (free) | $6.62 | $0 |
MiniMax M3.1 Flash (free) is free for output tokens while GLM 5.3 FlashX Legal costs $1.25 per 1M tokens.
GLM 5.3 FlashX Legal has 48.58K more context (1.05x larger).
MiniMax M3.1 Flash (free) is free for the standard workload while the other model is estimated at $0.99.
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
MiniMax M3.1 Flash (free) has the lower input price; MiniMax M3.1 Flash (free) has the lower output price; GLM 5.3 FlashX Legal offers the larger context window. For the 1M input plus 500K output sample, MiniMax M3.1 Flash (free) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.99 for GLM 5.3 FlashX Legal and $0 for MiniMax M3.1 Flash (free).
Choose GLM 5.3 FlashX Legal when you care most about larger context window.
Choose MiniMax M3.1 Flash (free) when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, MiniMax M3.1 Flash (free) is estimated at $0 vs $0.99 for GLM 5.3 FlashX Legal, saving $0.99 (100% lower).
- MiniMax M3.1 Flash (free) is free for the standard workload while the other model is estimated at $0.99.
- MiniMax M3.1 Flash (free) is free for input tokens while GLM 5.3 FlashX Legal costs $0.37 per 1M tokens.
- MiniMax M3.1 Flash (free) is free for output tokens while GLM 5.3 FlashX Legal costs $1.25 per 1M tokens.
- GLM 5.3 FlashX Legal has 48.58K more context (1.05x larger).
| Feature | NewGLM 5.3 FlashX Legal (Z.ai) | NewMiniMax M3.1 Flash (free) (MiniMax) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.37 | $0 |
| Completion Price per 1M tokens | $1.25 | $0 |
| Sample Workload Cost 1M input + 500K output | $0.99 | $0 |
| Context Window | 1.05M | 1M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | MiniMax M3.1 Flash (free) | On the standard 1M input plus 500K output workload, MiniMax M3.1 Flash (free) is estimated at $0 vs $0.99 for GLM 5.3 FlashX Legal, saving $0.99 (100% lower). |
| High-volume input processing | MiniMax M3.1 Flash (free) | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | MiniMax M3.1 Flash (free) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GLM 5.3 FlashX Legal | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- GLM 5.2 (free) can replace GLM 5.3 FlashX Legal when lower sample workload cost matters most: $0.
- GLM 4.5 Air (free) can replace GLM 5.3 FlashX Legal when lower sample workload cost matters most: $0.
- GLM 5.3 Flash can replace GLM 5.3 FlashX Legal when lower sample workload cost matters most: $0.07.
- GLM Flash Latest can replace GLM 5.3 FlashX Legal when lower sample workload cost matters most: $0.07.
- Llama 4 Scout offers 1.31M context with $0.25 sample workload cost.
- GPT-6 Luna offers 1.05M context with $0.35 sample workload cost.
- GPT-5.6 Luna offers 1.05M context with $0.8 sample workload cost.
- GPT-6 Luna Pro offers 1.05M context with $0.35 sample workload cost.
- Kimi K3.1 Pro · MoonshotAI · #1
- DeepSeek V4.1 Flash 1017 · DeepSeek · #2
- GLM 5.3 Flash · Z.ai · #3
- DeepSeek V4.1 Flash · DeepSeek · #4
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Open MiniMax modelsGLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text. It adds legal-domain mid-training and post-training with reinforcement...
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