DeepSeek V4.1 Flash Pricing
DeepSeek · Released September 13, 2026 as the successor to V4 Flash. Thinking and non-think
Save up to 70% on DeepSeek V4.1 Flash API cost
Same model, same quality — pay less per token than the official API. Pay-as-you-go, no credit card required.
Other DeepSeek Models
DeepSeek V4 ProDeepSeek V4 FlashDeepSeek ChatDeepSeek V3.2DeepSeek R1DeepSeek CoderDeepSeek V4.1 Flash Pricing Context
Pricing position within DeepSeek
DeepSeek V4.1 Flash sits in the middle of DeepSeek's pricing at $0.30/1M input — 18% below the lineup average ($0.14 cheapest, $0.70 most expensive). 3 siblings cost less, 2 cost more. This mid-tier positioning makes it a sensible default when you're unsure which variant to pick.
When DeepSeek V4.1 Flash is worth the cost
DeepSeek V4.1 Flash is deployed where problems need step-by-step reasoning before code output — complex bug fixes, algorithmic implementation, math-heavy analysis, and multi-step refactoring. The internal chain-of-thought adds latency (expect slower responses), so don't route high-volume simple queries here. Use it for the hard 10% of tasks where cheaper models fail.
Cost vs sibling models
What makes DeepSeek V4.1 Flash different from sibling models: compared to DeepSeek V4 Pro ($0.25/1M more expensive, same 1M context); DeepSeek V4 Flash ($0.16/1M cheaper, same 1M context); DeepSeek Chat ($0.03/1M cheaper, 128K vs 1M context (smaller)). Choose DeepSeek V4.1 Flash when step-by-step reasoning matters more than speed.
Real-world cost scenarios
Real-world deployments: autonomous coding agents that fix complex bugs across multi-file codebases, algorithmic problem solving, math-heavy data analysis pipelines, and automated code review for architecture-level decisions. Teams route the simple 90% of coding tasks to cheaper models and reserve DeepSeek V4.1 Flash for the hard 10%.