Claude Opus 5.5 (Canary Checkpoint) vs Gemini 3.8 Flash-Lite TTS

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

Claude Opus 5.5 (Canary Checkpoint)

Developed by Anthropic · Frontier Mixture-of-Experts Architecture parameters

Autonomous repository issue resolution (81.4% SWE-bench Verified), native 3D glTF/OBJ mesh synthesis, and sub-300ms time-to-first-token.

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 Opus 5.5 (Canary Checkpoint) Gemini 3.8 Flash-Lite TTS
SWE-bench Verified 81.4% 58.4%
MMLU-Pro 94.2% 82.1%
MATH-500 97.9% 85.2%
Context Window 1,000,000 tokens 64,000 characters input script
Input Pricing (per 1M) $5.00 $0.08
Output Pricing (per 1M) $25.00 $6.00