Claude Haiku 4.5 vs GLM-5.3
Comparing Claude Haiku 4.5 and GLM-5.3 across benchmarks, pricing, and capabilities.
Anthropic · Zhipu AI · Updated for 2026
Which is better?
Claude Haiku 4.5 and GLM-5.3 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
On price, Claude Haiku 4.5 is roughly 1.1x 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 Claude Haiku 4.5
- cost matters — it's about 1.1x cheaper per token
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.
Performance Benchmarks
Comparative analysis across standard metrics
Claude Haiku 4.5 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
For input processing, Claude Haiku 4.5 ($1.00/1M tokens) is 1.4x cheaper than GLM-5.3 ($1.40/1M tokens).
For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 1.1x more expensive than GLM-5.3 ($4.40/1M tokens).
In conclusion, GLM-5.3 is more expensive than Claude Haiku 4.5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GLM-5.3 accepts 1,000,000 input tokens compared to Claude Haiku 4.5's 200,000 tokens. GLM-5.3 can generate longer responses up to 128,000 tokens, while Claude Haiku 4.5 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Haiku 4.5 supports multimodal inputs, whereas GLM-5.3 does not.
Claude Haiku 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Haiku 4.5
GLM-5.3
Release Timeline
When each model was launched
Claude Haiku 4.5 was released on 2025-10-15, while GLM-5.3 was released on 2026-08-14.
GLM-5.3 is 10 months newer than Claude Haiku 4.5.
Oct 15, 2025
10 months ago
Aug 14, 2026
1 weeks ago
10mo newerKnowledge Cutoff
When training data ends
Claude Haiku 4.5 has a documented knowledge cutoff of 2025-02-01, while GLM-5.3's cutoff date is not specified.
We can confirm Claude Haiku 4.5's training data extends to 2025-02-01, but cannot make a direct comparison without GLM-5.3's cutoff date.
Feb 2025
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Provider Availability
Claude Haiku 4.5 is available from Anthropic, Vertex AI. GLM-5.3 is available from ZAI.
Claude Haiku 4.5
GLM-5.3
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Haiku 4.5 and GLM-5.3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Haiku 4.5 vs GLM-5.3.