Model Comparison

Claude Opus 4.5 vs GLM-4.7-FlashWhich is better in 2026?

Claude Opus 4.5 significantly outperforms across most benchmarks. GLM-4.7-Flash is 65.6x cheaper per token.

Verdict: Claude Opus 4.5 vs GLM-4.7-Flash — which is better?

Claude Opus 4.5 (by Anthropic) and GLM-4.7-Flash (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.

Claude Opus 4.5 outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while GLM-4.7-Flash is better at 0 benchmarks. Claude Opus 4.5 significantly outperforms across most benchmarks.

On price, GLM-4.7-Flash is roughly 65.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Opus 4.5 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Opus 4.5 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you process long inputs — it offers a 200,000 token context window

Choose GLM-4.7-Flash if…

  • cost matters — it's about 65.6x cheaper per token
  • you want the most recent training data — it shipped Jan 2026
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Opus 4.5 outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while GLM-4.7-Flash is better at 0 benchmarks.

Claude Opus 4.5 significantly outperforms across most benchmarks.

Sat Jun 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-4.7-Flash costs less

For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 71.4x more expensive than GLM-4.7-Flash ($0.07/1M tokens).

For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 62.5x more expensive than GLM-4.7-Flash ($0.40/1M tokens).

In conclusion, Claude Opus 4.5 is more expensive than GLM-4.7-Flash.*

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

Lowest available price from all providers
Sat Jun 27 2026 • llm-stats.com
Anthropic
Claude Opus 4.5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Zhipu AI
GLM-4.7-Flash
Input tokens$0.07
Output tokens$0.40
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4.5 accepts 200,000 input tokens compared to GLM-4.7-Flash's 128,000 tokens. Claude Opus 4.5 can generate longer responses up to 64,000 tokens, while GLM-4.7-Flash is limited to 16,384 tokens.

Anthropic
Claude Opus 4.5
Input200,000 tokens
Output64,000 tokens
Zhipu AI
GLM-4.7-Flash
Input128,000 tokens
Output16,384 tokens
Sat Jun 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4.5 supports multimodal inputs, whereas GLM-4.7-Flash does not.

Claude Opus 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4.5

Text
Images
Audio
Video

GLM-4.7-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 4.5 is licensed under a proprietary license, while GLM-4.7-Flash uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Opus 4.5

Proprietary

Closed source

GLM-4.7-Flash

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 4.5 was released on 2025-11-24, while GLM-4.7-Flash was released on 2026-01-19.

GLM-4.7-Flash is 2 months newer than Claude Opus 4.5.

Claude Opus 4.5

Nov 24, 2025

7 months ago

GLM-4.7-Flash

Jan 19, 2026

5 months ago

1mo newer

Knowledge Cutoff

When training data ends

Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while GLM-4.7-Flash's cutoff date is not specified.

We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without GLM-4.7-Flash's cutoff date.

Claude Opus 4.5

Mar 2025

GLM-4.7-Flash

—

Provider Availability

Claude Opus 4.5 is available from Anthropic. GLM-4.7-Flash is available from ZAI.

Claude Opus 4.5

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

GLM-4.7-Flash

z logo
Unknown Organization
Input Price:Input: $0.07/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher GPQA score (87.0% vs 75.2%)
Higher SWE-Bench Verified score (80.9% vs 59.2%)
Zhipu AI
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Opus 4.5 and GLM-4.7-Flash side-by-side, then vote on the output you prefer.

Claude Opus 4.5
✓ Preferred
GLM-4.7-Flash
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Opus 4.5
Zhipu AI
GLM-4.7-Flash

FAQ

Common questions about Claude Opus 4.5 vs GLM-4.7-Flash.

Which is better, Claude Opus 4.5 or GLM-4.7-Flash?

Claude Opus 4.5 significantly outperforms across most benchmarks. Claude Opus 4.5 is made by Anthropic and GLM-4.7-Flash is made by Zhipu AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Opus 4.5 compare to GLM-4.7-Flash in benchmarks?

Claude Opus 4.5 scores Tau2 Telecom: 98.2%, MMMLU: 90.8%, Tau2 Retail: 88.9%, GPQA: 87.0%, SWE-Bench Verified: 80.9%. GLM-4.7-Flash scores AIME 2025: 91.6%, Tau-bench: 79.5%, GPQA: 75.2%, SWE-Bench Verified: 59.2%, BrowseComp: 42.8%.

Is Claude Opus 4.5 cheaper than GLM-4.7-Flash?

GLM-4.7-Flash is 71.4x cheaper for input tokens. Claude Opus 4.5 costs $5.00/M input and $25.00/M output via anthropic. GLM-4.7-Flash costs $0.07/M input and $0.40/M output via z.

What are the context window sizes for Claude Opus 4.5 and GLM-4.7-Flash?

Claude Opus 4.5 supports 200K tokens and GLM-4.7-Flash supports 128K 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 4.5 and GLM-4.7-Flash?

Key differences include context window (200K vs 128K), input pricing ($5.00 vs $0.07/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.5 and GLM-4.7-Flash?

Claude Opus 4.5 is developed by Anthropic and GLM-4.7-Flash is developed by Zhipu AI.

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