Efficiency-optimized DeepSeek V4 at 284B total / 13B active for fast, high-throughput inference.
Anthropic's fifth-generation Sonnet — near-Opus intelligence at Sonnet speed and price.
No shared demos for these models yet.
No captured outputs for these models yet.
Both DeepSeek V4 Flash and Claude Sonnet 5 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.
DeepSeek V4 Flash has a lower blended cost. DeepSeek V4 Flash: $0.09 input / $0.19 output. Claude Sonnet 5: $2.00 input / $10.00 output.
DeepSeek V4 Flash has a larger context window: DeepSeek V4 Flash supports 1M tokens vs Claude Sonnet 5 at 1M tokens.
Claude Sonnet 5 supports vision/image input, but DeepSeek V4 Flash does not.
Key differences: DeepSeek V4 Flash is significantly cheaper; only Claude Sonnet 5 supports vision input. 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 DeepSeek V4 Flash and Claude Sonnet 5 for free on idapt.app to see which performs better for your specific needs.