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Anthropic

Claude Fable 5

VS
Google

Gemini 3.1 Flash-Lite

✍️ 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 80.3% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: Gemini 3.1 Flash-Lite is 35.6x cheaper to run and delivers 3.4x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Gemini 3.1 Flash-Lite 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 (+)
80.3%
Reasoning (gpqa-diamond)Winner (+7.2%)
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 3.1 Flash-Lite

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)
86.9%

Cost & Performance

Cost (per 1M tokens)35.6x cheaper
$0.56Input: $0.25 | Output: $1.50
Speed3.4x faster
205 tps
Context Window
1M tokens

Frequently Asked Questions

Gemini 3.1 Flash-Lite is cheaper than Claude Fable 5. Gemini 3.1 Flash-Lite has a blended cost of $0.56/1M tokens, which is about 35.6x cheaper than Claude Fable 5 at $20.00/1M tokens.

Gemini 3.1 Flash-Lite is faster than Claude Fable 5. Gemini 3.1 Flash-Lite generates 205 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 3.1 Flash-Lite which scores N/A.

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