Comprehensive side-by-side LLM comparison
Claude Opus 4.1 leads with 29.9% higher average benchmark score. Gemini 1.5 Flash offers 824.8K more tokens in context window than Claude Opus 4.1. Gemini 1.5 Flash is $89.25 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 was created as a fast and efficient multimodal model, designed to provide quick responses while handling text, images, and other modalities. Built for applications requiring low latency and high throughput, it balances capability with speed to serve real-time and high-volume use cases.
1 year newer

Gemini 1.5 Flash
2024-05-01

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

Claude Opus 4.1

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

Claude Opus 4.1

Gemini 1.5 Flash
Gemini 1.5 Flash
2023-11-01
Available providers and their performance metrics

Claude Opus 4.1
Anthropic
Bedrock
ZeroEval

Claude Opus 4.1

Gemini 1.5 Flash

Claude Opus 4.1

Gemini 1.5 Flash

Gemini 1.5 Flash