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Claude Sonnet 5.5 vs GLM-5V-Turbo

Claude Sonnet 5.5 leads the LLM Stats Score 58.4 to 30.0. GLM-5V-Turbo is 2.1x cheaper per token.

Anthropic · Zhipu AI · Updated for 2026

Which is better?

Claude Sonnet 5.5 leads the overall LLM Stats Score 58.4 to 30.0, ranking #2 overall.

On price, GLM-5V-Turbo is roughly 2.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Sonnet 5.5 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 LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Sonnet 5.5

  • overall performance matters — it scores 58.4 and ranks #2 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose GLM-5V-Turbo

  • cost matters — it's about 2.1x cheaper per token

At a glance

The differences that matter most.

Claude Sonnet 5.5
Anthropic
GLM-5V-Turbo
Zhipu AI
Core performance indexes
LLM Stats Score
58.4
#2
30.0
#142
Reasoning
57.2
#3
7.7
#302
Coding
47.6
#2
22.5
#98
Agents
43.3
#3
18.4
#89
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.00 / M
$1.20 / M
Output price
$10.00 / M
$4.00 / M
Context window
1,000,000
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Sonnet 5.5
GLM-5V-Turbo
Vision
41.5#2
21.0#82
Multimodal
41.1#2
21.7#78
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

47 reported for Claude Sonnet 5.5 · 19 for GLM-5V-Turbo

No common benchmarks found

Claude Sonnet 5.5 and GLM-5V-Turbodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GLM-5V-Turbo costs less

For input processing, Claude Sonnet 5.5 ($2.00/1M tokens) is 1.7x more expensive than GLM-5V-Turbo ($1.20/1M tokens).

For output processing, Claude Sonnet 5.5 ($10.00/1M tokens) is 2.5x more expensive than GLM-5V-Turbo ($4.00/1M tokens).

In conclusion, Claude Sonnet 5.5 is more expensive than GLM-5V-Turbo.*

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

Lowest available price from all providers
Fri Oct 23 2026 • llm-stats.com
Anthropic
Claude Sonnet 5.5
Input tokens$2.00
Output tokens$10.00
Best providerAnthropic
Zhipu AI
GLM-5V-Turbo
Input tokens$1.20
Output tokens$4.00
Best providerUnknown Organization
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Claude Sonnet 5.5 accepts 1,000,000 input tokens compared to GLM-5V-Turbo's 200,000 tokens. Both models can generate responses up to 128,000 tokens.

Anthropic
Claude Sonnet 5.5
Input1,000,000 tokens
Output128,000 tokens
Zhipu AI
GLM-5V-Turbo
Input200,000 tokens
Output128,000 tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Sonnet 5.5 and GLM-5V-Turbo support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude Sonnet 5.5

Text
Images
Audio
Video

GLM-5V-Turbo

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Sonnet 5.5

Proprietary

Closed source

GLM-5V-Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 5.5 was released on 2026-09-28, while GLM-5V-Turbo was released on 2026-04-02.

Claude Sonnet 5.5 is 6 months newer than GLM-5V-Turbo.

Claude Sonnet 5.5

Sep 28, 2026

3 weeks ago

5mo newer
GLM-5V-Turbo

Apr 2, 2026

6 months ago

Knowledge Cutoff

When training data ends

Claude Sonnet 5.5 has a documented knowledge cutoff of 2026-06-01, while GLM-5V-Turbo's cutoff date is not specified.

We can confirm Claude Sonnet 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without GLM-5V-Turbo's cutoff date.

Claude Sonnet 5.5

Jun 2026

GLM-5V-Turbo

—

Provider Availability

Claude Sonnet 5.5 is available from Anthropic. GLM-5V-Turbo is available from ZAI.

Claude Sonnet 5.5

anthropic logo
Anthropic
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

GLM-5V-Turbo

z logo
Unknown Organization
Input Price:Input: $1.20/1MOutput Price:Output: $4.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Sonnet 5.5 and GLM-5V-Turbo side-by-side, then vote on the output you prefer.

Claude Sonnet 5.5
✓ Preferred
GLM-5V-Turbo
Open in Playground

FAQ

Common questions about Claude Sonnet 5.5 vs GLM-5V-Turbo.

Which is better, Claude Sonnet 5.5 or GLM-5V-Turbo?

Claude Sonnet 5.5 leads the LLM Stats Score 58.4 to 30.0. Claude Sonnet 5.5 is made by Anthropic and GLM-5V-Turbo is made by Zhipu AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Sonnet 5.5 compare to GLM-5V-Turbo in benchmarks?

Claude Sonnet 5.5 scores BenchCAD (with Python tool): 96.3%, ArXivMath (with tools): 95.2%, Global-MMLU: 92.1%, MILU: 91.6%, SWE-bench Multilingual: 90.3%. GLM-5V-Turbo scores Design2Code: 94.8%, Flame-VLM-Code: 93.8%, V*: 89.0%, WebVoyager: 88.5%, PinchBench: 80.7%.

Is Claude Sonnet 5.5 cheaper than GLM-5V-Turbo?

GLM-5V-Turbo is 1.7x cheaper for input tokens. Claude Sonnet 5.5 costs $2.00/M input and $10.00/M output via anthropic. GLM-5V-Turbo costs $1.20/M input and $4.00/M output via z.

What are the context window sizes for Claude Sonnet 5.5 and GLM-5V-Turbo?

Claude Sonnet 5.5 supports 1.0M tokens and GLM-5V-Turbo supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 5.5 and GLM-5V-Turbo?

Key differences include LLM Stats Score (58.4 vs 30.0), context window (1.0M vs 200K), input pricing ($2.00 vs $1.20/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 5.5 and GLM-5V-Turbo?

Claude Sonnet 5.5 is developed by Anthropic and GLM-5V-Turbo is developed by Zhipu AI.

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