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DeepSeek-V3 vs GLM-5.3

Comparing DeepSeek-V3 and GLM-5.3 across benchmarks, pricing, and capabilities.

DeepSeek · Zhipu AI · Updated for 2026

Which is better?

DeepSeek-V3 and GLM-5.3 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, DeepSeek-V3 is roughly 4.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GLM-5.3 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current benchmark, pricing, and model metadata for 2026.

Choose DeepSeek-V3

  • cost matters — it's about 4.5x cheaper per token
  • you need open weights you can self-host or fine-tune

Choose GLM-5.3

  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

DeepSeek-V3
DeepSeek
GLM-5.3
Zhipu AI
Benchmark wins
—
—
Input price
$0.27 / M
$1.40 / M
Output price
$1.10 / M
$4.40 / M
Context window
131,072
1,000,000
Released
Dec 2024
Aug 2026
License
MIT + Model License (Commercial use allowed)
Unknown

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

DeepSeek-V3 and GLM-5.3don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

DeepSeek-V3 costs less

For input processing, DeepSeek-V3 ($0.27/1M tokens) is 5.2x cheaper than GLM-5.3 ($1.40/1M tokens).

For output processing, DeepSeek-V3 ($1.10/1M tokens) is 4.0x cheaper than GLM-5.3 ($4.40/1M tokens).

In conclusion, GLM-5.3 is more expensive than DeepSeek-V3.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Aug 24 2026 • llm-stats.com
DeepSeek
DeepSeek-V3
Input tokens$0.27
Output tokens$1.10
Best providerDeepSeek
Zhipu AI
GLM-5.3
Input tokens$1.40
Output tokens$4.40
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

82.0B diff

GLM-5.3 has 82.0B more parameters than DeepSeek-V3, making it 12.2% larger.

DeepSeek
DeepSeek-V3
671.0Bparameters
Zhipu AI
GLM-5.3
753.0Bparameters
671.0B
DeepSeek-V3
753.0B
GLM-5.3

Context Window

Maximum input and output token capacity

GLM-5.3 accepts 1,000,000 input tokens compared to DeepSeek-V3's 131,072 tokens. DeepSeek-V3 can generate longer responses up to 131,072 tokens, while GLM-5.3 is limited to 128,000 tokens.

DeepSeek
DeepSeek-V3
Input131,072 tokens
Output131,072 tokens
Zhipu AI
GLM-5.3
Input1,000,000 tokens
Output128,000 tokens
Mon Aug 24 2026 • llm-stats.com

Release Timeline

When each model was launched

DeepSeek-V3 was released on 2024-12-25, while GLM-5.3 was released on 2026-08-14.

GLM-5.3 is 20 months newer than DeepSeek-V3.

DeepSeek-V3

Dec 25, 2024

1.7 years ago

GLM-5.3

Aug 14, 2026

1 weeks ago

1.6yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

DeepSeek-V3 is available from DeepSeek. GLM-5.3 is available from ZAI.

DeepSeek-V3

deepseek logo
DeepSeek
Input Price:Input: $0.27/1MOutput Price:Output: $1.10/1M

GLM-5.3

z logo
Unknown Organization
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against DeepSeek-V3 and GLM-5.3 side-by-side, then vote on the output you prefer.

DeepSeek-V3
✓ Preferred
GLM-5.3
Open in Playground

FAQ

Common questions about DeepSeek-V3 vs GLM-5.3.

Which is better, DeepSeek-V3 or GLM-5.3?

DeepSeek-V3 (DeepSeek) and GLM-5.3 (Zhipu AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does DeepSeek-V3 compare to GLM-5.3 in benchmarks?

DeepSeek-V3 scores DROP: 91.6%, CLUEWSC: 90.9%, MATH-500: 90.2%, MMLU-Redux: 89.1%, MMLU: 88.5%. GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%.

Is DeepSeek-V3 cheaper than GLM-5.3?

DeepSeek-V3 is 5.2x cheaper for input tokens. DeepSeek-V3 costs $0.27/M input and $1.10/M output via deepseek. GLM-5.3 costs $1.40/M input and $4.40/M output via z.

What are the context window sizes for DeepSeek-V3 and GLM-5.3?

DeepSeek-V3 supports 131K tokens and GLM-5.3 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V3 and GLM-5.3?

Key differences include context window (131K vs 1.0M), input pricing ($0.27 vs $1.40/M), licensing (MIT + Model License (Commercial use allowed) vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V3 and GLM-5.3?

DeepSeek-V3 is developed by DeepSeek and GLM-5.3 is developed by Zhipu AI.

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