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Claude Fable 5.2 vs Gemini 3 Flash

Claude Fable 5.2 leads the LLM Stats Score 61.1 to 36.2. Gemini 3 Flash is 14.2x cheaper per token.

Anthropic · Google · Updated for 2026

Which is better?

Claude Fable 5.2 leads the overall LLM Stats Score 61.1 to 36.2, ranking #1 overall.

In the 1 individual benchmarks reported for both models, Claude Fable 5.2 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Gemini 3 Flash is roughly 14.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose Claude Fable 5.2

  • overall performance matters — it scores 61.1 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — 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 Nov 2026

Choose Gemini 3 Flash

  • cost matters — it's about 14.2x cheaper per token

At a glance

The differences that matter most.

Claude Fable 5.2
Anthropic
Gemini 3 Flash
Google
Core performance indexes
LLM Stats Score
61.1
#1
36.2
#106
Reasoning
60.3
#1
37.1
#95
Coding
49.9
#1
21.7
#113
Agents
46.5
#1
16.6
#109
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$8.00 / M
$0.50 / M
Output price
$40.00 / M
$3.00 / M
Context window
1,000,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
Claude Fable 5.2
Gemini 3 Flash
Math
46.8#2
37.2#37
Vision
47.2#1
25.4#68
Tool use
37.3#2
15.6#115
Multimodal
42.6#1
26.3#59
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

29 reported for Claude Fable 5.2 · 24 for Gemini 3 Flash

1 shared

Claude Fable 5.2 outperforms in 1 benchmarks (Humanity's Last Exam), while Gemini 3 Flash is better at 0 benchmarks.

Claude Fable 5.2 significantly outperforms across most benchmarks.

Thu Nov 12 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 3 Flash costs less

For input processing, Claude Fable 5.2 ($8.00/1M tokens) is 16.0x more expensive than Gemini 3 Flash ($0.50/1M tokens).

For output processing, Claude Fable 5.2 ($40.00/1M tokens) is 13.3x more expensive than Gemini 3 Flash ($3.00/1M tokens).

In conclusion, Claude Fable 5.2 is more expensive than Gemini 3 Flash.*

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

Lowest available price from all providers
Thu Nov 12 2026 • llm-stats.com
Anthropic
Claude Fable 5.2
Input tokens$8.00
Output tokens$40.00
Best providerAnthropic
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,000,000 tokens. Claude Fable 5.2 can generate longer responses up to 128,000 tokens, while Gemini 3 Flash is limited to 65,536 tokens.

Anthropic
Claude Fable 5.2
Input1,000,000 tokens
Output128,000 tokens
Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Thu Nov 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Fable 5.2 and Gemini 3 Flash support multimodal inputs.

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

Claude Fable 5.2

Text
Images
Audio
Video

Gemini 3 Flash

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 5.2

Proprietary

Closed source

Gemini 3 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Fable 5.2 was released on 2026-11-09, while Gemini 3 Flash was released on 2025-12-17.

Claude Fable 5.2 is 11 months newer than Gemini 3 Flash.

Claude Fable 5.2

Nov 9, 2026

3 days ago

10mo newer
Gemini 3 Flash

Dec 17, 2025

11 months ago

Knowledge Cutoff

When training data ends

Claude Fable 5.2 has a knowledge cutoff of 2026-06-01, while Gemini 3 Flash has a cutoff of 2025-01-31.

Claude Fable 5.2 has more recent training data (up to 2026-06-01), making it potentially better informed about events through that date compared to Gemini 3 Flash (2025-01-31).

Claude Fable 5.2

Jun 2026

1.4 yr newer
Gemini 3 Flash

Jan 2025

Provider Availability

Claude Fable 5.2 is available from Anthropic. Gemini 3 Flash is available from Google.

Claude Fable 5.2

anthropic logo
Anthropic
Input Price:Input: $8.00/1MOutput Price:Output: $40.00/1M

Gemini 3 Flash

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Fable 5.2 and Gemini 3 Flash side-by-side, then vote on the output you prefer.

Claude Fable 5.2
✓ Preferred
Gemini 3 Flash
Open in Playground

FAQ

Common questions about Claude Fable 5.2 vs Gemini 3 Flash.

Which is better, Claude Fable 5.2 or Gemini 3 Flash?

Claude Fable 5.2 leads the LLM Stats Score 61.1 to 36.2. Claude Fable 5.2 is made by Anthropic and Gemini 3 Flash is made by Google. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Fable 5.2 compare to Gemini 3 Flash in benchmarks?

Claude Fable 5.2 scores SWE-bench Multilingual: 96.6%, Global-MMLU: 96.0%, MILU: 94.1%, SWE-Bench Pro: 93.0%, Chartography: 91.6%. Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%.

Is Claude Fable 5.2 cheaper than Gemini 3 Flash?

Gemini 3 Flash is 16.0x cheaper for input tokens. Claude Fable 5.2 costs $8.00/M input and $40.00/M output via anthropic. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google.

What are the context window sizes for Claude Fable 5.2 and Gemini 3 Flash?

Claude Fable 5.2 supports 1.0M tokens and Gemini 3 Flash 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 Claude Fable 5.2 and Gemini 3 Flash?

Key differences include LLM Stats Score (61.1 vs 36.2), input pricing ($8.00 vs $0.50/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Fable 5.2 and Gemini 3 Flash?

Claude Fable 5.2 is developed by Anthropic and Gemini 3 Flash is developed by Google.

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