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Claude Fable 5.1 vs GLM-5V-Turbo

Claude Fable 5.1 leads the LLM Stats Score 56.3 to 30.4. GLM-5V-Turbo is 10.5x cheaper per token.

Anthropic · Zhipu AI · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 56.3 to 30.4, ranking #2 overall.

On price, GLM-5V-Turbo is roughly 10.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Fable 5.1 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 Fable 5.1

  • overall performance matters — it scores 56.3 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 10.5x cheaper per token

At a glance

The differences that matter most.

Claude Fable 5.1
Anthropic
GLM-5V-Turbo
Zhipu AI
Core performance indexes
LLM Stats Score
56.3
#2
30.4
#117
Reasoning
53.3
#5
8.1
#276
Coding
35.0
#29
24.2
#71
Agents
41.9
#2
19.4
#63
Cost, coverage & limits
Benchmark wins
—
—
Input price
$10.00 / M
$1.20 / M
Output price
$50.00 / M
$4.00 / M
Context window
1,000,000
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Claude Fable 5.1
GLM-5V-Turbo
Vision
41.7#2
20.8#65
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for Claude Fable 5.1 · 19 for GLM-5V-Turbo

No common benchmarks found

Claude Fable 5.1 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 Fable 5.1 ($10.00/1M tokens) is 8.3x more expensive than GLM-5V-Turbo ($1.20/1M tokens).

For output processing, Claude Fable 5.1 ($50.00/1M tokens) is 12.5x more expensive than GLM-5V-Turbo ($4.00/1M tokens).

In conclusion, Claude Fable 5.1 is more expensive than GLM-5V-Turbo.*

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

Lowest available price from all providers
Wed Sep 09 2026 • llm-stats.com
Anthropic
Claude Fable 5.1
Input tokens$10.00
Output tokens$50.00
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 Fable 5.1 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 Fable 5.1
Input1,000,000 tokens
Output128,000 tokens
Zhipu AI
GLM-5V-Turbo
Input200,000 tokens
Output128,000 tokens
Wed Sep 09 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.1 and GLM-5V-Turbo support multimodal inputs.

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

Claude Fable 5.1

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 Fable 5.1

Proprietary

Closed source

GLM-5V-Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while GLM-5V-Turbo was released on 2026-04-02.

Claude Fable 5.1 is 5 months newer than GLM-5V-Turbo.

Claude Fable 5.1

Sep 1, 2026

1 weeks ago

5mo newer
GLM-5V-Turbo

Apr 2, 2026

5 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 Fable 5.1 is available from Anthropic. GLM-5V-Turbo is available from ZAI.

Claude Fable 5.1

anthropic logo
Anthropic
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M

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→

Judge for yourself.

Run your own prompts against Claude Fable 5.1 and GLM-5V-Turbo side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
GLM-5V-Turbo
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs GLM-5V-Turbo.

Which is better, Claude Fable 5.1 or GLM-5V-Turbo?

Claude Fable 5.1 leads the LLM Stats Score 56.3 to 30.4. Claude Fable 5.1 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 Fable 5.1 compare to GLM-5V-Turbo in benchmarks?

Claude Fable 5.1 scores OSWorld 2.0: 77.9%, CursorBench v3.2: 73.4%, Humanity's Last Exam: 65.0%, GDPval-AA: 61.8%, Terminal-Bench 4.0: 55.8%. GLM-5V-Turbo scores Design2Code: 94.8%, Flame-VLM-Code: 93.8%, V*: 89.0%, WebVoyager: 88.5%, PinchBench: 80.7%.

Is Claude Fable 5.1 cheaper than GLM-5V-Turbo?

GLM-5V-Turbo is 8.3x cheaper for input tokens. Claude Fable 5.1 costs $10.00/M input and $50.00/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 Fable 5.1 and GLM-5V-Turbo?

Claude Fable 5.1 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 Fable 5.1 and GLM-5V-Turbo?

Key differences include LLM Stats Score (56.3 vs 30.4), context window (1.0M vs 200K), input pricing ($10.00 vs $1.20/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.1 and GLM-5V-Turbo?

Claude Fable 5.1 is developed by Anthropic and GLM-5V-Turbo is developed by Zhipu AI.

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