Model Comparison

Claude Opus 4.8 vs GLM-5V-TurboWhich is better in 2026?

Comparing Claude Opus 4.8 and GLM-5V-Turbo across benchmarks, pricing, and capabilities.

Verdict: Claude Opus 4.8 vs GLM-5V-Turbo — which is better?

Claude Opus 4.8 (by Anthropic) and GLM-5V-Turbo (by Zhipu AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, GLM-5V-Turbo is roughly 5.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Opus 4.8 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 4.8 if…

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

Choose GLM-5V-Turbo if…

  • cost matters — it's about 5.3x cheaper per token

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Opus 4.8 and GLM-5V-Turbodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-5V-Turbo costs less

For input processing, Claude Opus 4.8 ($5.00/1M tokens) is 4.2x more expensive than GLM-5V-Turbo ($1.20/1M tokens).

For output processing, Claude Opus 4.8 ($25.00/1M tokens) is 6.3x more expensive than GLM-5V-Turbo ($4.00/1M tokens).

In conclusion, Claude Opus 4.8 is more expensive than GLM-5V-Turbo.*

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

Lowest available price from all providers
Fri Jul 17 2026 • llm-stats.com
Anthropic
Claude Opus 4.8
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Zhipu AI
GLM-5V-Turbo
Input tokens$1.20
Output tokens$4.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4.8 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 Opus 4.8
Input1,000,000 tokens
Output128,000 tokens
Zhipu AI
GLM-5V-Turbo
Input200,000 tokens
Output128,000 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude Opus 4.8 and GLM-5V-Turbo support multimodal inputs.

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

Claude Opus 4.8

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 Opus 4.8

Proprietary

Closed source

GLM-5V-Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4.8 was released on 2026-05-28, while GLM-5V-Turbo was released on 2026-04-02.

Claude Opus 4.8 is 2 months newer than GLM-5V-Turbo.

Claude Opus 4.8

May 28, 2026

1 months ago

1mo newer
GLM-5V-Turbo

Apr 2, 2026

3 months ago

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

Claude Opus 4.8 is available from Anthropic, Vertex AI. GLM-5V-Turbo is available from ZAI.

Claude Opus 4.8

anthropic logo
Anthropic
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M
vertex logo
Unknown Organization
Input Price:Input: $5.00/1MOutput Price:Output: $25.00/1M

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?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (1,000,000 tokens)
Zhipu AI
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Opus 4.8 and GLM-5V-Turbo side-by-side, then vote on the output you prefer.

Claude Opus 4.8
✓ Preferred
GLM-5V-Turbo
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.8
Zhipu AI
GLM-5V-Turbo

FAQ

Common questions about Claude Opus 4.8 vs GLM-5V-Turbo.

Which is better, Claude Opus 4.8 or GLM-5V-Turbo?

Claude Opus 4.8 (Anthropic) and GLM-5V-Turbo (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 Claude Opus 4.8 compare to GLM-5V-Turbo in benchmarks?

Claude Opus 4.8 scores GPQA: 93.6%, DeepSearchQA: 93.1%, CharXiv-R: 89.9%, SWE-Bench Verified: 88.6%, ScreenSpot Pro: 87.9%. GLM-5V-Turbo scores Design2Code: 94.8%, Flame-VLM-Code: 93.8%, V*: 89.0%, WebVoyager: 88.5%, PinchBench: 80.7%.

Is Claude Opus 4.8 cheaper than GLM-5V-Turbo?

GLM-5V-Turbo is 4.2x cheaper for input tokens. Claude Opus 4.8 costs $5.00/M input and $25.00/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 Opus 4.8 and GLM-5V-Turbo?

Claude Opus 4.8 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 Opus 4.8 and GLM-5V-Turbo?

Key differences include context window (1.0M vs 200K), input pricing ($5.00 vs $1.20/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.8 and GLM-5V-Turbo?

Claude Opus 4.8 is developed by Anthropic and GLM-5V-Turbo is developed by Zhipu AI.

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