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 2026-08-01. Data: Artificial Analysis model pages, Intelligence Index and vendor list prices, fetched 2026-08-01.
Frontier this edition: DeepSeek V4 Flash → GLM 5.2 → Sonnet 5 → Kimi K3 → Claude Opus 5.
| Model | AA Index | Input $/M | Output $/M | Weights | Pareto-efficient |
|---|---|---|---|---|---|
| Claude Opus 5 | 61 | $5.00 | $25.00 | closed | ✓ |
| Claude Fable 5 | 60 | $10.00 | $50.00 | closed | dominated by Claude Opus 5 |
| GPT-5.6 Sol | 59 | $5.00 | $30.00 | closed | dominated by Claude Opus 5 |
| Kimi K3 | 57 | $3.00 | $15.00 | open | ✓ |
| Opus 4.8 | 56 | $5.00 | $25.00 | closed | dominated by Claude Opus 5 |
| GPT-5.5 | 55 | $5.00 | $30.00 | closed | dominated by Claude Opus 5 |
| Sonnet 5 | 53 | $2.00 | $10.00 | closed | ✓ |
| GLM 5.2 | 51 | $1.40 | $4.40 | open | ✓ |
| GPT-5.4 | 51 | $2.50 | $15.00 | closed | matched by GLM 5.2 at 3.4× less |
| DeepSeek V4 Flash | 50 | $0.14 | $0.28 | open | ✓ |
| Gemini 3.5 Flash | 50 | $1.50 | $9.00 | closed | matched by DeepSeek V4 Flash at 32.1× less |
| MiniMax M3 | 44 | $0.30 | $1.20 | open | dominated by DeepSeek V4 Flash |
| Kimi K2.6 | 44 | $0.95 | $4.00 | open | matched by MiniMax M3 at 3.3× less |
| Kimi K2.7 | 42 | $0.95 | $4.00 | open | dominated by DeepSeek V4 Flash |