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Claude Opus 5 vs GLM-5

Claude Opus 5 leads the LLM Stats Score 54.6 to 37.1. GLM-5 is 6.5x cheaper per token.

Anthropic · Zhipu AI · Updated for 2026

Which is better?

Claude Opus 5 leads the overall LLM Stats Score 54.6 to 37.1, ranking #5 overall.

In the 1 individual benchmarks reported for both models, Claude Opus 5 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, GLM-5 is roughly 6.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Opus 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 Opus 5

  • overall performance matters — it scores 54.6 and ranks #5 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose GLM-5

  • cost matters — it's about 6.5x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
54.6
#5
37.1
#70
53.6
#4
37.4
#67
42.0
#9
26.3
#65
39.5
#7
19.6
#62
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$5.00 / M
$1.00 / M
Output price
$25.00 / M
$3.20 / M
Context window
1,000,000
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Opus 5
GLM-5
27.6#23
18.0#69
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Claude Opus 5 · 5 for GLM-5

1 shared

Claude Opus 5 outperforms in 1 benchmarks (BrowseComp), while GLM-5 is better at 0 benchmarks.

Claude Opus 5 significantly outperforms across most benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

GLM-5 costs less

For input processing, Claude Opus 5 ($5.00/1M tokens) is 5.0x more expensive than GLM-5 ($1.00/1M tokens).

For output processing, Claude Opus 5 ($25.00/1M tokens) is 7.8x more expensive than GLM-5 ($3.20/1M tokens).

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

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

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
Anthropic
Claude Opus 5
Input tokens$5.00
Output tokens$25.00
Best providerAnthropic
Zhipu AI
GLM-5
Input tokens$1.00
Output tokens$3.20
Best providerFriendliAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

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

Anthropic
Claude Opus 5
Input1,000,000 tokens
Output128,000 tokens
Zhipu AI
GLM-5
Input200,000 tokens
Output128,000 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Opus 5 supports multimodal inputs, whereas GLM-5 does not.

Claude Opus 5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5

Text
Images
Audio
Video

GLM-5

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5 is licensed under a proprietary license, while GLM-5 uses MIT.

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

Claude Opus 5

Proprietary

Closed source

GLM-5

MIT

Open weights

Release Timeline

When each model was launched

Claude Opus 5 was released on 2026-07-24, while GLM-5 was released on 2026-02-11.

Claude Opus 5 is 5 months newer than GLM-5.

Claude Opus 5

Jul 24, 2026

1 months ago

5mo newer
GLM-5

Feb 11, 2026

7 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 5 is available from Anthropic, DeepInfra. GLM-5 is available from FriendliAI, ZAI.

Claude Opus 5

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

GLM-5

friendli logo
FriendliAI
Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M
z logo
Unknown Organization
Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

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

Claude Opus 5
✓ Preferred
GLM-5
Open in Playground

FAQ

Common questions about Claude Opus 5 vs GLM-5.

Which is better, Claude Opus 5 or GLM-5?

Claude Opus 5 leads the LLM Stats Score 54.6 to 37.1. Claude Opus 5 is made by Anthropic and GLM-5 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 Opus 5 compare to GLM-5 in benchmarks?

Claude Opus 5 scores BrowseComp: 90.8%, BioMysteryBench: 90.1%, OSWorld 2.0: 70.6%, DeepSWE 1.1: 68.8%, Humanity's Last Exam: 64.7%. GLM-5 scores t2-bench: 89.7%, SWE-Bench Verified: 77.8%, BrowseComp: 75.9%, MCP Atlas: 67.8%, Terminal-Bench 2.0: 56.2%.

Is Claude Opus 5 cheaper than GLM-5?

GLM-5 is 5.0x cheaper for input tokens. Claude Opus 5 costs $5.00/M input and $25.00/M output via anthropic. GLM-5 costs $1.00/M input and $3.20/M output via friendli.

What are the context window sizes for Claude Opus 5 and GLM-5?

Claude Opus 5 supports 1.0M tokens and GLM-5 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 5 and GLM-5?

Key differences include LLM Stats Score (54.6 vs 37.1), context window (1.0M vs 200K), input pricing ($5.00 vs $1.00/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5 and GLM-5?

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