Price of a finished task

What a successful task actually costs

DeepSeek V4.1 Flash scores 81.1 at $0.029 a task. The leader, Claude Fable 5.1, scores 83.4 at $1.212 — 42× the price for 2.3 points.

LiveBench · release 2026-06-25 · ranked by cost per successful task

Price per task

Cheapest first. Scores stay so the price has a quality next to it.

#Model$/taskOverallReasoningCodingAgenticMathDataLanguageInstruct
1DeepSeek V4.1 Flash Max open0.02981.186.780.077.393.379.381.270.0
2Gemini 3.7 Flash High 0.15778.887.878.958.393.568.085.579.9
3Grok 4.6 0.20778.090.576.857.092.673.983.771.9
4Muse Spark 1.3 xHigh 0.21981.689.781.164.195.979.682.878.0
5Qwen 3.8 Max open0.27578.588.272.964.691.378.479.774.1
6Kimi K3 open0.34879.290.781.462.284.478.785.571.4
7GPT-5.6 Terra Max 0.35277.990.678.254.994.979.382.964.6
8Muse Spark 1.2 xHigh 0.37578.090.077.557.691.276.578.674.3
9GPT-5.4 Thinking xHigh 0.38778.088.177.553.894.179.382.670.2
10GPT-5.5 Thinking xHigh 0.43580.289.782.154.095.981.687.470.7
11GPT-5.6 Sol Max 0.51581.091.783.956.296.279.887.771.8
12Claude 5 Opus Thinking Max 0.69980.191.281.465.295.774.688.763.8
13GPT-6 Astra Max 0.73682.292.780.457.396.883.089.475.6
14Claude Fable 5.1 Max 1.21283.491.786.466.197.080.389.573.0
15Claude Fable 5 Max 1.43983.089.786.062.296.080.590.775.8

Source: LiveBench release 2026-06-25. Cost per successful task = (Σ cost ÷ Σ questions ÷ score) × 100, USD. Green — three cheapest, orange — three most expensive. Category columns are scores, not prices.