← Model list deepseek-ai/DeepSeek-V4.1-Flash-Fast deepseek ·deepseek/deepseek-v4.1-flash-fast ·GA ·Open weights ·deepseek-flash series ·NEW
Copy ID + Add to compare Fast DeepSeek model for efficient chat, coding help, and agent loops
Specs & pricing Input / output per 1M tokens $0.60 / $2.40
Blended $1.05 —
Released / updated
2026-09-10 / 2026-09-10
Capabilities
✓ Reasoning ✓ Tool use ✓ Structured output Temperature ✓ Attachments
Available at 2 providers2 with public prices Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Reasoning control effort = none effort = low effort = medium effort = high effort = max
Interleaved thinking (reasoning between tool calls) is declared by 1 of 2 providers.
Your usage cost 1 Vercel AI Gateway $84.72
2 Baseten $240.00
The cheapest paid channel is the only channel.
Price historyone sample accumulated per data sync
$2.40 $0 2026-09-30 2026-10-04 2026-09-30 · Input list $0.60 2026-10-04 · Input list $0.60 2026-09-30 · Output list $2.40 2026-10-04 · Output list $2.40 2026-09-30 · Min blended $1.05 2026-10-04 · Min blended $0.53 Related models