API cost decision in 10 seconds

R1 0528 vs GLM 5V Turbo

Pick R1 0528 for lower cost; pick GLM 5V Turbo 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 R1 0528 for lower cost; pick GLM 5V Turbo only if the larger context window matters more.

On the standard 1M input plus 500K output workload, R1 0528 is estimated at $1.57 vs $3.2 for GLM 5V Turbo, saving $1.63 (50.8% lower).

Cost-first pickR1 0528
Context-first pickGLM 5V Turbo
Sample savings$1.6350.8%
10x traffic gap$16.25

GLM 5V Turbo has more context, but R1 0528 saves $1.63 on the standard workload. At 10x that traffic, the same price gap is about $16.25. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

R1 0528 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickR1 0528GLM 5V Turbo
Input-heavy / RAG5M input + 500K outputR1 0528$3.58$8
Balanced workload1M input + 1M outputR1 0528$2.65$5.2
Output-heavy chatbot1M input + 5M outputR1 0528$11.25$21.2
Cheaper input R1 0528 $0.5 vs $1.2 / 1M

R1 0528 is $0.7 cheaper per 1M input tokens (58.3% lower; 2.4x difference).

Cheaper output R1 0528 $2.15 vs $4 / 1M

R1 0528 is $1.85 cheaper per 1M output tokens (46.2% lower; 1.86x difference).

Larger context GLM 5V Turbo 163.84K vs 202.75K

GLM 5V Turbo has 38.91K more context (1.24x larger).

Sample workload R1 0528 $1.57 vs $3.2

R1 0528 is $1.63 cheaper on the standard workload (50.8% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
R1 0528 Calculating… Estimated API cost
GLM 5V Turbo 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

R1 0528 has the lower input price; R1 0528 has the lower output price; GLM 5V Turbo offers the larger context window. For the 1M input plus 500K output sample, R1 0528 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $1.57 for R1 0528 and $3.2 for GLM 5V Turbo.

Best Fit

Choose R1 0528 when you care most about lower input-token price, and lower output-token price.

Choose GLM 5V Turbo when you care most about larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, R1 0528 is estimated at $1.57 vs $3.2 for GLM 5V Turbo, saving $1.63 (50.8% lower).
  • R1 0528 is $1.63 cheaper on the standard workload (50.8% lower).
  • R1 0528 is $0.7 cheaper per 1M input tokens (58.3% lower; 2.4x difference).
  • R1 0528 is $1.85 cheaper per 1M output tokens (46.2% lower; 1.86x difference).
  • GLM 5V Turbo has 38.91K more context (1.24x larger).
Head-to-Head Specs
FeatureR1 0528
(DeepSeek)
GLM 5V Turbo
(Z.ai)
Input Price
prompt tokens per 1M
$0.5$1.2
Completion Price
per 1M tokens
$2.15$4
Sample Workload Cost
1M input + 500K output
$1.57$3.2
Context Window163.84K202.75K
Release Date
Popularity#106#136

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionR1 0528On the standard 1M input plus 500K output workload, R1 0528 is estimated at $1.57 vs $3.2 for GLM 5V Turbo, saving $1.63 (50.8% lower).
High-volume input processingR1 0528Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsR1 0528Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGLM 5V TurboA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • Owl Alpha offers 1.05M context with $0 sample workload cost.
  • DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

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Larger context alternatives

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Provider catalogs

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DeepSeek catalog

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

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Z.ai catalog

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R1 0528

May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active...

GLM 5V Turbo

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,...