Claude Sonnet 5.5 vs Gemini 3.8 Flash-Lite TTS

A direct, empirical evaluation of Claude Sonnet 5.5 (Anthropic) against Gemini 3.8 Flash-Lite TTS (Google DeepMind).

Claude Sonnet 5.5

Developed by Anthropic · Proprietary Frontier Dynamic Hybrid Reasoner parameters

Terminal-Bench 4.0 execution (70.6%), SWE-bench Verified coding (82.4%), GitHub Copilot multi-file edits, and low-latency autonomous agentic coding at $2/$10 pricing.

Gemini 3.8 Flash-Lite TTS

Developed by Google DeepMind · Proprietary Lightweight Acoustic Stream Transformer parameters

High-throughput bulk multilingual video dubbing, automated notification dispatch, real-time voice agents, customer support telephony, and accessibility readers.

Metric Claude Sonnet 5.5 Gemini 3.8 Flash-Lite TTS
SWE-bench Verified 82.4% 58.4%
MMLU-Pro 88.4% 82.1%
MATH-500 95.2% 85.2%
Context Window 1,000,000 tokens 64,000 characters input script
Input Pricing (per 1M) $2.00 $0.08
Output Pricing (per 1M) $10.00 $6.00