Claude Sonnet 4.5 vs GLM-5V-Turbo
Claude Sonnet 4.5 and GLM-5V-Turbo are closely matched at 32.1 and 30.3 on the LLM Stats Score. GLM-5V-Turbo is 3.2x cheaper per token.
Anthropic · Zhipu AI · Updated for 2026
Which is better?
Claude Sonnet 4.5 and GLM-5V-Turbo are closely matched on the overall LLM Stats Score at 32.1 and 30.3.
In the 1 individual benchmarks reported for both models, GLM-5V-Turbo wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, GLM-5V-Turbo is roughly 3.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Sonnet 4.5
- your work emphasizes reasoning — it leads those capability indexes
Choose GLM-5V-Turbo
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- cost matters — it's about 3.2x cheaper per token
- you want the most recent training data — it shipped Apr 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for Claude Sonnet 4.5 · 19 for GLM-5V-Turbo
Claude Sonnet 4.5 outperforms in 0 benchmarks, while GLM-5V-Turbo is better at 1 benchmark (OSWorld).
GLM-5V-Turbo significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Sonnet 4.5 ($3.00/1M tokens) is 2.5x more expensive than GLM-5V-Turbo ($1.20/1M tokens).
For output processing, Claude Sonnet 4.5 ($15.00/1M tokens) is 3.8x more expensive than GLM-5V-Turbo ($4.00/1M tokens).
In conclusion, Claude Sonnet 4.5 is more expensive than GLM-5V-Turbo.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 200,000 tokens. GLM-5V-Turbo can generate longer responses up to 128,000 tokens, while Claude Sonnet 4.5 is limited to 64,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Sonnet 4.5 and GLM-5V-Turbo support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Sonnet 4.5
GLM-5V-Turbo
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Sonnet 4.5 was released on 2025-09-29, while GLM-5V-Turbo was released on 2026-04-02.
GLM-5V-Turbo is 6 months newer than Claude Sonnet 4.5.
Sep 29, 2025
11 months ago
Apr 2, 2026
5 months ago
6mo newerKnowledge Cutoff
When training data ends
Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while GLM-5V-Turbo's cutoff date is not specified.
We can confirm Claude Sonnet 4.5's training data extends to 2025-01-31, but cannot make a direct comparison without GLM-5V-Turbo's cutoff date.
Jan 2025
—
Provider Availability
Claude Sonnet 4.5 is available from Anthropic. GLM-5V-Turbo is available from ZAI.
Claude Sonnet 4.5
GLM-5V-Turbo
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Sonnet 4.5 and GLM-5V-Turbo side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Sonnet 4.5 vs GLM-5V-Turbo.