Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
Model details →Anthropic: Claude Opus 4.8 (batch) vs Google: Gemini 3.8 Flash
Google: Gemini 3.8 Flash wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Model details →Side-by-side comparison
| Capability | Anthropic: Claude Opus 4.8 (batch) | Google: Gemini 3.8 Flash | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1M | 1.0M | 🏆 Google: Gemini 3.8 Flash |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $2.50 | $0.75 | 🏆 Google: Gemini 3.8 Flash |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $12.50 | $3.75 | 🏆 Google: Gemini 3.8 Flash |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Anthropic: Claude Opus 4.8 (batch) better than Google: Gemini 3.8 Flash?
Google: Gemini 3.8 Flash wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Anthropic: Claude Opus 4.8 (batch) and Google: Gemini 3.8 Flash?
Input: $2.50 vs $0.75 per 1M tokens. Output: $12.50 vs $3.75 per 1M tokens.
What context windows do Anthropic: Claude Opus 4.8 (batch) and Google: Gemini 3.8 Flash support?
Anthropic: Claude Opus 4.8 (batch) supports up to 1M tokens. Google: Gemini 3.8 Flash supports up to 1.0M tokens.
Do both Anthropic: Claude Opus 4.8 (batch) and Google: Gemini 3.8 Flash support tool calling?
Anthropic: Claude Opus 4.8 (batch): yes. Google: Gemini 3.8 Flash: yes.