Inception's latest diffusion LLM and the fastest reasoning model available, producing and refining tokens in parallel instead of one at a time.
Efficiency-optimized DeepSeek V4 at 284B total / 13B active for fast, high-throughput inference.
No shared demos for these models yet.
No captured outputs for these models yet.
Both Mercury 2.5 and DeepSeek V4 Flash 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.
Mercury 2.5 has a lower blended cost. Mercury 2.5: $0.04 input / $0.15 output. DeepSeek V4 Flash: $0.09 input / $0.19 output.
DeepSeek V4 Flash has a larger context window: Mercury 2.5 supports 260K tokens vs DeepSeek V4 Flash at 1M tokens.
Key differences: Mercury 2.5 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 Mercury 2.5 and DeepSeek V4 Flash for free on idapt.app to see which performs better for your specific needs.