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Claude Mythos 5.1 vs GLM-5V-Turbo

Claude Mythos 5.1 leads the LLM Stats Score 45.1 to 30.4. GLM-5V-Turbo is 10.5x cheaper per token.

Anthropic · Zhipu AI · Updated for 2026

Which is better?

Claude Mythos 5.1 leads the overall LLM Stats Score 45.1 to 30.4, ranking #31 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 Mythos 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 Mythos 5.1

  • overall performance matters — it scores 45.1 and ranks #31 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 Mythos 5.1
Anthropic
GLM-5V-Turbo
Zhipu AI
Core performance indexes
LLM Stats Score
45.1
#31
30.4
#117
Reasoning
44.4
#34
8.1
#276
Coding
37.5
#17
24.2
#71
Agents
34.5
#21
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

Individual benchmarks

1 reported for Claude Mythos 5.1 · 19 for GLM-5V-Turbo

No common benchmarks found

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

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

In conclusion, Claude Mythos 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
Thu Sep 10 2026 • llm-stats.com
Anthropic
Claude Mythos 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 Mythos 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 Mythos 5.1
Input1,000,000 tokens
Output128,000 tokens
Zhipu AI
GLM-5V-Turbo
Input200,000 tokens
Output128,000 tokens
Thu Sep 10 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

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

Claude Mythos 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 Mythos 5.1

Proprietary

Closed source

GLM-5V-Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

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

Claude Mythos 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 Mythos 5.1 and GLM-5V-Turbo side-by-side, then vote on the output you prefer.

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

FAQ

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

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

Claude Mythos 5.1 leads the LLM Stats Score 45.1 to 30.4. Claude Mythos 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 Mythos 5.1 compare to GLM-5V-Turbo in benchmarks?

Claude Mythos 5.1 scores Terminal-Bench 4.0: 60.9%. GLM-5V-Turbo scores Design2Code: 94.8%, Flame-VLM-Code: 93.8%, V*: 89.0%, WebVoyager: 88.5%, PinchBench: 80.7%.

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

GLM-5V-Turbo is 8.3x cheaper for input tokens. Claude Mythos 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 Mythos 5.1 and GLM-5V-Turbo?

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

Key differences include LLM Stats Score (45.1 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 Mythos 5.1 and GLM-5V-Turbo?

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

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