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LLM Pareto Frontier — edition 2026-08

Living report · updated monthly · last updated
Edition: 2026-08 — archived snapshot, see the latest edition

Archived snapshot of the LLM Pareto Frontier living report, as published on 2026-08-30. Data: Artificial Analysis model pages, Intelligence Index and vendor list prices, fetched 2026-08-30.

$0$10$20$30$40$50 Output price, $ per 1M tokens 4045505560 AA Intelligence Index Claude Opus 5 GPT-5.6 Sol Claude Fable 5 Opus 4.8 GPT-5.5 Sonnet 5 GPT-5.4 Gemini 3.5 Flash Kimi K3 Qwen3.8 Max GLM 5.2 MiniMax M3 Kimi K2.6 Kimi K2.7 DeepSeek V4 Flash GLM 5.3 GLM-5.3-Flash the top open model is now 4 pointsoff the top score — for 40% less Open weights (we serve them) Proprietary Pareto frontier

Frontier this edition: GLM-5.3-Flash → GLM 5.3 → GPT-5.6 Sol → Claude Opus 5.

ModelAA IndexInput $/MOutput $/MWeightsPareto-efficient
Claude Opus 563$5.00$25.00closed
Claude Fable 562$10.00$50.00closeddominated by Claude Opus 5
GPT-5.6 Sol61$4.00$20.00closed
GLM 5.360$1.40$4.40open
Kimi K360$3.00$15.00openmatched by GLM 5.3 at 3.4× less
Qwen3.8 Max58$2.00$6.00opendominated by GLM 5.3
GLM-5.3-Flash57$0.15$0.50open
Opus 4.857$5.00$25.00closedmatched by GLM-5.3-Flash at 50.0× less
GPT-5.556$5.00$30.00closeddominated by Claude Opus 5
Sonnet 555$2.00$10.00closeddominated by GLM 5.3
GLM 5.253$1.40$4.40opendominated by GLM 5.3
GPT-5.453$2.50$15.00closedmatched by GLM 5.2 at 3.4× less
DeepSeek V4 Flash52$0.44$1.32opendominated by GLM-5.3-Flash
Gemini 3.5 Flash52$1.50$9.00closedmatched by DeepSeek V4 Flash at 6.8× less
MiniMax M345$0.30$1.20opendominated by GLM-5.3-Flash
Kimi K2.645$0.95$4.00openmatched by MiniMax M3 at 3.3× less
Kimi K2.743$0.95$4.00opendominated by GLM-5.3-Flash