DeepSeek V4.1 Flash beats GPT-5.6 Sol on coding while costing ~97% less
Yuchenj_UW · x · 2026-09-11
DeepSeek V4.1 Flash is beating GPT-5.6 Sol on coding and agent benchmarks while being 97% cheaper.
Highlights:
- Another 4× reduction in KV cache size per token, a major inference-cost win
- Seen as another proof point for open-source AI competitiveness
- Databricks says it will bring the model to its customers soon
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