Model Comparison

Gemini 3 Pro vs Claude Fable 5Which is better in 2026?

Claude Fable 5 significantly outperforms across most benchmarks. Gemini 3 Pro is 4.4x cheaper per token.

Verdict: Gemini 3 Pro vs Claude Fable 5 — which is better?

Gemini 3 Pro (by Google) and Claude Fable 5 (by Anthropic) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Gemini 3 Pro outperforms in 0 benchmarks, while Claude Fable 5 is better at 2 benchmarks (Humanity's Last Exam, SWE-Bench Verified). Claude Fable 5 significantly outperforms across most benchmarks.

On price, Gemini 3 Pro is roughly 4.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3 Pro also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 3 Pro if…

  • cost matters — it's about 4.4x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window

Choose Claude Fable 5 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Jun 2026
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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Gemini 3 Pro outperforms in 0 benchmarks, while Claude Fable 5 is better at 2 benchmarks (Humanity's Last Exam, SWE-Bench Verified).

Claude Fable 5 significantly outperforms across most benchmarks.

Tue Jun 09 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3 Pro costs less

For input processing, Gemini 3 Pro ($2.00/1M tokens) is 5.0x cheaper than Claude Fable 5 ($10.00/1M tokens).

For output processing, Gemini 3 Pro ($12.00/1M tokens) is 4.2x cheaper than Claude Fable 5 ($50.00/1M tokens).

In conclusion, Claude Fable 5 is more expensive than Gemini 3 Pro.*

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

Lowest available price from all providers
Tue Jun 09 2026 • llm-stats.com
Google
Gemini 3 Pro
Input tokens$2.00
Output tokens$12.00
Best providerGoogle
Anthropic
Claude Fable 5
Input tokens$10.00
Output tokens$50.00
Best providerAnthropic
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3 Pro accepts 1,048,576 input tokens compared to Claude Fable 5's 1,000,000 tokens. Claude Fable 5 can generate longer responses up to 128,000 tokens, while Gemini 3 Pro is limited to 65,536 tokens.

Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
Anthropic
Claude Fable 5
Input1,000,000 tokens
Output128,000 tokens
Tue Jun 09 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Pro and Claude Fable 5 support multimodal inputs.

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

Gemini 3 Pro

Text
Images
Audio
Video

Claude Fable 5

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.

Gemini 3 Pro

Proprietary

Closed source

Claude Fable 5

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while Claude Fable 5 was released on 2026-06-09.

Claude Fable 5 is 7 months newer than Gemini 3 Pro.

Gemini 3 Pro

Nov 18, 2025

6 months ago

Claude Fable 5

Jun 9, 2026

0 days ago

6mo newer

Knowledge Cutoff

When training data ends

Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Claude Fable 5's cutoff date is not specified.

We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Claude Fable 5's cutoff date.

Gemini 3 Pro

Jan 2025

Claude Fable 5

—

Provider Availability

Gemini 3 Pro is available from Google. Claude Fable 5 is available from Anthropic.

Gemini 3 Pro

google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $12.00/1M

Claude Fable 5

anthropic logo
Anthropic
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Anthropic
Higher Humanity's Last Exam score (64.5% vs 45.8%)
Higher SWE-Bench Verified score (95.0% vs 76.2%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Pro
Anthropic
Claude Fable 5

FAQ

Common questions about Gemini 3 Pro vs Claude Fable 5.

Which is better, Gemini 3 Pro or Claude Fable 5?

Claude Fable 5 significantly outperforms across most benchmarks. Gemini 3 Pro is made by Google and Claude Fable 5 is made by Anthropic. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 3 Pro compare to Claude Fable 5 in benchmarks?

Gemini 3 Pro scores AIME 2025: 100.0%, Vending-Bench 2: 100.0%, Global PIQA: 93.4%, GPQA: 91.9%, MMMLU: 91.8%. Claude Fable 5 scores SWE-Bench Verified: 95.0%, OSWorld-Verified: 85.0%, Terminal-Bench 2.1: 84.3%, SWE-Bench Pro: 80.0%, ExploitBench: 78.0%.

Is Gemini 3 Pro cheaper than Claude Fable 5?

Gemini 3 Pro is 5.0x cheaper for input tokens. Gemini 3 Pro costs $2.00/M input and $12.00/M output via google. Claude Fable 5 costs $10.00/M input and $50.00/M output via anthropic.

What are the context window sizes for Gemini 3 Pro and Claude Fable 5?

Gemini 3 Pro supports 1.0M tokens and Claude Fable 5 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3 Pro and Claude Fable 5?

Key differences include context window (1.0M vs 1.0M), input pricing ($2.00 vs $10.00/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Pro and Claude Fable 5?

Gemini 3 Pro is developed by Google and Claude Fable 5 is developed by Anthropic.

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