Deterministic Stack Engine

Best AI Stack for writing and editing

Preference Elo first for long-form drafts. Price still counts if you generate all day.

Objective Weight Distribution

Elo:35%TTFT:25%Speed:20%Out $:20%

Recommended PickScore 81.5 / 100

Gemini 3.7 Flash

Google · Closed flagship

Elo: 1,530 (Top 23%)TTFT: 82 ms (Top 1%)Speed: 215 tok/s (Top 1%)Out $: $1.875/1M (Top 50%)

Output: $1.875/1MSWE-bench: 72.4%

View full model fact sheet

Full Stack Leaderboard

Ranked alternatives optimized for writing and editing based on objective benchmark weighting.

#2GPT-5.6 Luna(OpenAI)

Score 75.3

Elo1,466TTFT88 msSpeed188 tok/sOut $$0.6/1M

Rank #2 in stackvs #1

#3Gemini 3.6 Flash(Google)

Score 74.8

Elo1,506TTFT92 msSpeed198 tok/sOut $$3.75/1M

Rank #3 in stackvs #1

#4Gemini 3 Flash(Google)

Score 73.6

Elo1,495TTFT95 msSpeed190 tok/sOut $$3/1M

Rank #4 in stackvs #1

#5DeepSeek V4 Flash(DeepSeek)

Score 73.3

Elo1,490TTFT165 msSpeed142 tok/sOut $$0.28/1M

Rank #5 in stackvs #1

#6Yi-Lightning(01.AI)

Score 72.6

Elo1,475TTFT150 msSpeed130 tok/sOut $$0.14/1M

Rank #6 in stackvs #1

#7GPT-5.6 Terra(OpenAI)

Score 67.4

Elo1,548TTFT160 msSpeed128 tok/sOut $$6/1M

Rank #7 in stackvs #1

#8Doubao Lite 1.5(ByteDance)

Score 67.3

Elo1,360TTFT110 msSpeed180 tok/sOut $$0.1/1M

Rank #8 in stackvs #1

#9Grok 4.6(xAI)

Score 66.9

Elo1,592TTFT195 msSpeed118 tok/sOut $$6/1M

Rank #9 in stackvs #1

#10Seed 2.1 Turbo(ByteDance)

Score 66.3

Elo1,472TTFT120 msSpeed160 tok/sOut $$2.5/1M

Rank #10 in stackvs #1