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claude-opus-4-6 vs gemini-3-flash

Pricing, Performance & Features Comparison

Authoranthropic
Context Length1M
Reasoning
-
Providers1
ReleasedFeb 2026
Knowledge CutoffMay 2025
License-

Claude Opus 4.6 is Anthropic's most intelligent and capable model, specifically designed for complex tasks, coding, and building agents. It features improved coding skills, better planning and agentic capabilities, and is the first Opus-class model to support a 1 million token context window (in beta). The model delivers state-of-the-art performance on complex reasoning benchmarks and expert-level tasks while maintaining an industry-leading safety profile.

Input$5
Output$25
Latency (p50)2.5s
Output Limit128K
Function Calling
JSON Mode
InputText, Image
OutputText
in$5out$25cache$0.5write$6.3
Latency (24h)
Success Rate (24h)
Authorgoogle
Context Length1M
Reasoning
Providers1
ReleasedDec 2025
Knowledge CutoffJan 2025
License-

Gemini 3 Flash combines Gemini 3 Pro's reasoning capabilities with the Flash line's levels on latency, efficiency, and cost. It not only enables everyday tasks with improved reasoning, but is designed to tackle the most complex agentic workflows.

Input$0.5
Output$3
Latency (p50)7.6s
Output Limit66K
Function Calling
JSON Mode
-
Input-
Output-
in$0.5out$3--
Latency (24h)
Success Rate (24h)