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AI Economics, At or above GPT-4 on LMArena
$0.025

The cheapest model rated at or above GPT-4 (June 2023) on the LMArena text leaderboard costs $0.025 per 1M tokens, blended 3 input to 1 output, ×1500 less than in Dec 2023. Small models such as Llama 3.1 8B clear this bar.

Cheapest blended price (3 input : 1 output tokens, per 1M) among models whose LMArena text rating is at least that of gpt-4-0613 on the same leaderboard.

Source: LiteLLM price map, OpenRouter, LMArena. As of 2026-10-23. Based on 233 data points.

What a strong model costs, over time

Cheapest blended price, per 1M tokens
What does a model that scores 70% on GPQA Diamond cost?$0.01$1.00$10.00$100.00Dec 2023Nov 2024Nov 2025Oct 2026$0.054$0.025
  • 70% on GPQA Diamond
  • At or above GPT-4 on LMArena
Log scale: each gridline is a multiple of the one below.
Solid: cheapest model scoring 70% or more on GPQA Diamond (Epoch AI). Dashed: cheapest model rated at or above GPT-4 (June 2023) on the LMArena text leaderboard, a lower bar that small models such as Llama 3.1 8B clear. Blended: three input tokens per output token.
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Quality data: LMArena (CC BY 4.0), Epoch AI (CC BY 4.0). Prices: OpenRouter, LiteLLM (MIT), provider pages. List prices in US dollars before discounts and taxes; other currencies converted at the European Central Bank reference rate. The figures on these pages are free to reuse under CC BY 4.0 with a link to this page.