API cost decision in 10 seconds

GLM 4.5 Air (free) vs DeepSeek V3.2 Exp

Pick GLM 4.5 Air (free) for lower cost; pick DeepSeek V3.2 Exp only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GLM 4.5 Air (free) for lower cost; pick DeepSeek V3.2 Exp only if the larger context window matters more.

On the standard 1M input plus 500K output workload, GLM 4.5 Air (free) is estimated at $0 vs $0.47 for DeepSeek V3.2 Exp, saving $0.47 (100% lower).

Cost-first pickGLM 4.5 Air (free)
Context-first pickDeepSeek V3.2 Exp
Sample savings$0.47100%
10x traffic gap$4.75

DeepSeek V3.2 Exp has more context, but GLM 4.5 Air (free) saves $0.47 on the standard workload. At 10x that traffic, the same price gap is about $4.75. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GLM 4.5 Air (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGLM 4.5 Air (free)DeepSeek V3.2 Exp
Input-heavy / RAG5M input + 500K outputGLM 4.5 Air (free)$0$1.56
Balanced workload1M input + 1M outputGLM 4.5 Air (free)$0$0.68
Output-heavy chatbot1M input + 5M outputGLM 4.5 Air (free)$0$2.32
Cheaper input GLM 4.5 Air (free) $0 vs $0.27 / 1M

GLM 4.5 Air (free) is free for input tokens while DeepSeek V3.2 Exp costs $0.27 per 1M tokens.

Cheaper output GLM 4.5 Air (free) $0 vs $0.41 / 1M

GLM 4.5 Air (free) is free for output tokens while DeepSeek V3.2 Exp costs $0.41 per 1M tokens.

Larger context DeepSeek V3.2 Exp 131.07K vs 163.84K

DeepSeek V3.2 Exp has 32.77K more context (1.25x larger).

Sample workload GLM 4.5 Air (free) $0 vs $0.47

GLM 4.5 Air (free) is free for the standard workload while the other model is estimated at $0.47.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GLM 4.5 Air (free) Calculating… Estimated API cost
DeepSeek V3.2 Exp Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

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

Verdict

GLM 4.5 Air (free) has the lower input price; GLM 4.5 Air (free) has the lower output price; DeepSeek V3.2 Exp offers the larger context window. For the 1M input plus 500K output sample, GLM 4.5 Air (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0 for GLM 4.5 Air (free) and $0.47 for DeepSeek V3.2 Exp.

Best Fit

Choose GLM 4.5 Air (free) when you care most about lower input-token price, and lower output-token price.

Choose DeepSeek V3.2 Exp when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, GLM 4.5 Air (free) is estimated at $0 vs $0.47 for DeepSeek V3.2 Exp, saving $0.47 (100% lower).
  • GLM 4.5 Air (free) is free for the standard workload while the other model is estimated at $0.47.
  • GLM 4.5 Air (free) is free for input tokens while DeepSeek V3.2 Exp costs $0.27 per 1M tokens.
  • GLM 4.5 Air (free) is free for output tokens while DeepSeek V3.2 Exp costs $0.41 per 1M tokens.
  • DeepSeek V3.2 Exp has 32.77K more context (1.25x larger).
Head-to-Head Specs
FeatureGLM 4.5 Air (free)
(Z.ai)
DeepSeek V3.2 Exp
(DeepSeek)
Input Price
prompt tokens per 1M
$0$0.27
Completion Price
per 1M tokens
$0$0.41
Sample Workload Cost
1M input + 500K output
$0$0.47
Context Window131.07K163.84K
Release Date
Popularity#41#98

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGLM 4.5 Air (free)On the standard 1M input plus 500K output workload, GLM 4.5 Air (free) is estimated at $0 vs $0.47 for DeepSeek V3.2 Exp, saving $0.47 (100% lower).
High-volume input processingGLM 4.5 Air (free)Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGLM 4.5 Air (free)Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workDeepSeek V3.2 ExpA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • DeepSeek V4 Flash (free) can replace DeepSeek V3.2 Exp when lower sample workload cost matters most: $0.
  • DeepSeek V4 Flash can replace DeepSeek V3.2 Exp when lower sample workload cost matters most: $0.2.
  • R1 Distill Qwen 32B can replace DeepSeek V3.2 Exp when lower sample workload cost matters most: $0.43.
  • DeepSeek V3.2 can replace DeepSeek V3.2 Exp when lower sample workload cost matters most: $0.44.
Larger context near this budget

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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Z.ai catalog

Review all tracked Z.ai models before deciding whether this matchup is the right shortlist.

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DeepSeek catalog

Check other DeepSeek models with comparable pricing, context, or release timing.

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GLM 4.5 Air (free)

GLM-4.5-Air is the lightweight variant of our latest flagship model family, also purpose-built for agent-centric applications. Like GLM-4.5, it adopts the Mixture-of-Experts (MoE) architecture but with a more compact parameter...

DeepSeek V3.2 Exp

DeepSeek-V3.2-Exp is an experimental large language model released by DeepSeek as an intermediate step between V3.1 and future architectures. It introduces DeepSeek Sparse Attention (DSA), a fine-grained sparse attention mechanism...