DeepSeek V4.1-Flash beats V4-Pro 0813 less than a month after its release.
And it's $0.30/$1.20 per 1M input/output. That's roughly:
- 1/20th cost of Opus 5
- 1/17th cost of GPT-5.6 Sol
- 1/12th cost of Kimi K3
...while beating all three on Terminal-Bench.