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Anthropic

Claude Fable 5

VS
Google

Gemini 3 Flash

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, Claude Fable 5 is the premium intelligence choice, scoring 45.7% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: Gemini 3 Flash is 17.8x cheaper to run and delivers 2.6x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Gemini 3 Flash offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of Claude Fable 5 fully justifies the cost.

Model Specs

Claude Fable 5

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+45.7%)
80.3%
Reasoning (gpqa-diamond)Winner (+3.7%)
94.1%

Cost & Performance

Cost (per 1M tokens)
$20.00Input: $10.00 | Output: $50.00
Speed
60.3 tps
Context Window
1M tokens
Model Specs

Gemini 3 Flash

Benchmarks & Scores

Coding (swe-bench-pro)
34.6%
Reasoning (gpqa-diamond)
90.4%

Cost & Performance

Cost (per 1M tokens)17.8x cheaper
$1.13Input: $0.50 | Output: $3.00
Speed2.6x faster
159 tps
Context Window
1M tokens
Read our data collection methodology

Frequently Asked Questions

Gemini 3 Flash is cheaper than Claude Fable 5. Gemini 3 Flash has a blended cost of $1.13/1M tokens, which is about 17.8x cheaper than Claude Fable 5 at $20.00/1M tokens.

Gemini 3 Flash is faster than Claude Fable 5. Gemini 3 Flash generates 159 tokens per second (tps) compared to Claude Fable 5 which generates 60.3 tokens per second.

Claude Fable 5 is better for coding tasks. It scores 80.3% on coding evaluations (swe-bench-pro) compared to Gemini 3 Flash which scores 34.6%.

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