DeepSeek V4.1 Flash with OpenCode Go: cheap unlimited coding agent with Opus validating results
haider1 · x · 2026-10-26
The author argues DeepSeek models remain game changers: V4.1 Flash may trail Opus 5.5 and Astra on raw capability, but paired with OpenCode Go it's nearly unlimited. His workflow: use Opus/Astra to plan and validate results while 4.1 Flash handles everything else, built for shipping fast.
Attached Artificial Analysis table: Kimi K3.1 Pro tops the intelligence index at 55 ($2.11/task); DeepSeek V4.1 Flash scores 45 but costs just $0.26/task with the fastest output at 169 tokens/s; MiniMax M3.1 Flash is cheapest at $0.22/task; Qwen3.8 Max is priciest at $5.41/task.
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