Anthropic's new flagship for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5.
Efficient Mixture-of-Experts Gemma 4 with only 4B active parameters per token.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Claude Opus 5.5 and Gemma 4 26B A4B are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Gemma 4 26B A4B has a lower blended cost. Claude Opus 5.5: $4.00 input / $20.00 output. Gemma 4 26B A4B: $0.08 input / $0.26 output.
Claude Opus 5.5 has a larger context window: Claude Opus 5.5 supports 1M tokens vs Gemma 4 26B A4B at 262K tokens.
Yes, both Claude Opus 5.5 and Gemma 4 26B A4B support vision/image input.
Key differences: Gemma 4 26B A4B is significantly cheaper. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Opus 5.5 and Gemma 4 26B A4B for free on idapt.app to see which performs better for your specific needs.