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Claude Opus 5.5 vs ElevenLabs Voice Changer

Comparing Claude Opus 5.5 and ElevenLabs Voice Changer across benchmarks, pricing, and capabilities.

Anthropic · ElevenLabs · Updated for 2026

Which is better?

Claude Opus 5.5 and ElevenLabs Voice Changer trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Claude Opus 5.5 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 5.5

  • you process long inputs — it offers a 1,000,000 token context window

Choose ElevenLabs Voice Changer

  • you are already invested in the ElevenLabs ecosystem

At a glance

The differences that matter most.

Benchmark wins
Input price
$4.00 / M
— / M
Output price
$20.00 / M
— / M
Context window
1,000,000
4,000

Individual benchmarks

31 reported for Claude Opus 5.5 · 0 for ElevenLabs Voice Changer

No common benchmarks found

Claude Opus 5.5 and ElevenLabs Voice Changerdon'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

Context Window

Maximum input and output token capacity

Claude Opus 5.5 accepts 1,000,000 input tokens compared to ElevenLabs Voice Changer's 4,000 tokens. Only Claude Opus 5.5 specifies output context (128,000 tokens).

Anthropic
Claude Opus 5.5
Input1,000,000 tokens
Output128,000 tokens
ElevenLabs
ElevenLabs Voice Changer
Input4,000 tokens
Output- tokens
Thu Sep 24 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Opus 5.5 supports multimodal inputs, whereas ElevenLabs Voice Changer does not.

Claude Opus 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 5.5

Text
Images
Audio
Video

ElevenLabs Voice Changer

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 Opus 5.5

Proprietary

Closed source

ElevenLabs Voice Changer

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 5.5 was released on 2026-09-22, while ElevenLabs Voice Changer's release date is not specified.

We can confirm Claude Opus 5.5's release timeline, but cannot make a direct age comparison without ElevenLabs Voice Changer's release date.

Claude Opus 5.5

Sep 22, 2026

0 days ago

ElevenLabs Voice Changer

Knowledge Cutoff

When training data ends

Claude Opus 5.5 has a documented knowledge cutoff of 2026-06-01, while ElevenLabs Voice Changer's cutoff date is not specified.

We can confirm Claude Opus 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without ElevenLabs Voice Changer's cutoff date.

Claude Opus 5.5

Jun 2026

ElevenLabs Voice Changer

Provider Availability

Claude Opus 5.5 is available from Anthropic. ElevenLabs Voice Changer is available from Fal.

Claude Opus 5.5

anthropic logo
Anthropic
Input Price:Input: $4.00/1MOutput Price:Output: $20.00/1M

ElevenLabs Voice Changer

fal logo
Fal
* 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 5.5 and ElevenLabs Voice Changer side-by-side, then vote on the output you prefer.

Claude Opus 5.5
✓ Preferred
ElevenLabs Voice Changer
Open in Playground

FAQ

Common questions about Claude Opus 5.5 vs ElevenLabs Voice Changer.

Which is better, Claude Opus 5.5 or ElevenLabs Voice Changer?

Claude Opus 5.5 (Anthropic) and ElevenLabs Voice Changer (ElevenLabs) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Opus 5.5 compare to ElevenLabs Voice Changer in benchmarks?

Claude Opus 5.5 scores BenchCAD (with Python tool): 96.2%, Global-MMLU: 94.3%, SWE-bench Multilingual: 93.9%, MILU: 93.1%, ArXivMath: 91.2%.

What are the context window sizes for Claude Opus 5.5 and ElevenLabs Voice Changer?

Claude Opus 5.5 supports 1.0M tokens and ElevenLabs Voice Changer supports 4K 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 5.5 and ElevenLabs Voice Changer?

Key differences include context window (1.0M vs 4K), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5.5 and ElevenLabs Voice Changer?

Claude Opus 5.5 is developed by Anthropic and ElevenLabs Voice Changer is developed by ElevenLabs.