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Claude Fable 5.1 vs ERNIE 5.0

Claude Fable 5.1 leads the LLM Stats Score 56.8 to 33.6.

Anthropic · Baidu · Updated for 2026

Which is better?

Claude Fable 5.1 leads the overall LLM Stats Score 56.8 to 33.6, ranking #2 overall.

In the 1 individual benchmarks reported for both models, Claude Fable 5.1 wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Fable 5.1

  • overall performance matters — it scores 56.8 and ranks #2 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Sep 2026

Choose ERNIE 5.0

  • you are already invested in the Baidu ecosystem

At a glance

The differences that matter most.

Claude Fable 5.1
Anthropic
ERNIE 5.0
Baidu
Core performance indexes
LLM Stats Score
56.8
#2
33.6
#92
Reasoning
53.9
#5
33.1
#90
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$10.00 / M
— / M
Output price
$50.00 / M
— / M
Context window
1,000,000
—

Individual benchmarks

7 reported for Claude Fable 5.1 · 5 for ERNIE 5.0

1 shared

Claude Fable 5.1 outperforms in 1 benchmarks (Humanity's Last Exam), while ERNIE 5.0 is better at 0 benchmarks.

Claude Fable 5.1 significantly outperforms across most benchmarks.

Sat Sep 05 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude Fable 5.1 specifies input context (1,000,000 tokens). Only Claude Fable 5.1 specifies output context (128,000 tokens).

Anthropic
Claude Fable 5.1
Input1,000,000 tokens
Output128,000 tokens
Baidu
ERNIE 5.0
Input- tokens
Output- tokens
Sat Sep 05 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.1 and ERNIE 5.0 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

ERNIE 5.0

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

ERNIE 5.0

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Fable 5.1 was released on 2026-09-01, while ERNIE 5.0 was released on 2026-01-22.

Claude Fable 5.1 is 7 months newer than ERNIE 5.0.

Claude Fable 5.1

Sep 1, 2026

3 days ago

7mo newer
ERNIE 5.0

Jan 22, 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude Fable 5.1 and ERNIE 5.0 side-by-side, then vote on the output you prefer.

Claude Fable 5.1
✓ Preferred
ERNIE 5.0
Open in Playground

FAQ

Common questions about Claude Fable 5.1 vs ERNIE 5.0.

Which is better, Claude Fable 5.1 or ERNIE 5.0?

Claude Fable 5.1 leads the LLM Stats Score 56.8 to 33.6. Claude Fable 5.1 is made by Anthropic and ERNIE 5.0 is made by Baidu. 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 ERNIE 5.0 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%. ERNIE 5.0 scores AIME 2025: 87.0%, MMLU-Pro: 87.0%, GPQA: 85.0%, SimpleQA: 75.0%, Humanity's Last Exam: 39.0%.

What are the context window sizes for Claude Fable 5.1 and ERNIE 5.0?

Claude Fable 5.1 supports 1.0M tokens and ERNIE 5.0 supports an unknown number of 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 ERNIE 5.0?

Key differences include LLM Stats Score (56.8 vs 33.6). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.1 and ERNIE 5.0?

Claude Fable 5.1 is developed by Anthropic and ERNIE 5.0 is developed by Baidu.

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