Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 42.5% higher average benchmark score. Gemini 1.5 Flash 8B offers 824.8K more tokens in context window than Claude Opus 4.1. Gemini 1.5 Flash 8B is $89.63 cheaper per million tokens. Claude Opus 4.1 is available on 4 providers. Overall, Claude Opus 4.1 is the stronger choice for coding tasks.
Anthropic
Claude Opus 4.1 represents an iteration within the Claude 4 Opus line, built to deliver refined performance in complex reasoning and analysis tasks. Developed as part of Anthropic's flagship tier, it incorporates improvements to the foundational capabilities that define the Opus family of models.
Gemini 1.5 Flash 8B was developed as an ultra-compact variant of Gemini 1.5 Flash, designed to deliver multimodal capabilities with minimal resource requirements. Built for deployment scenarios where efficiency is critical, it provides a lightweight option for applications requiring fast, cost-effective AI processing.
1 year newer

Gemini 1.5 Flash 8B
2024-03-15

Claude Opus 4.1
Anthropic
2025-08-05
Cost per million tokens (USD)

Claude Opus 4.1

Gemini 1.5 Flash 8B
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Opus 4.1

Gemini 1.5 Flash 8B
Gemini 1.5 Flash 8B
2024-10-01
Available providers and their performance metrics

Claude Opus 4.1
Anthropic
Bedrock
ZeroEval

Claude Opus 4.1

Gemini 1.5 Flash 8B

Claude Opus 4.1

Gemini 1.5 Flash 8B

Gemini 1.5 Flash 8B