Who ranks #1 on the GDPval-AA v2 leaderboard?
As of September 2, 2026, Claude Fable 5 by Anthropic ranks #1 on GDPval-AA v2 at 1932. API pricing is $10.00/M input and $50.00/M output.
As of September 2, 2026, Claude Fable 5 is #1 for GDPval-AA v2 at 1932. Ranked by the GDPval-AA v2 score 8 models in this index have a published GDPval-AA v2 score. Methodology: Artificial Analysis (https://artificialanalysis.ai/). GDPval-AA v2 leaderboard with live API prices. GDPval-AA v2 — Artificial Analysis Elo on economically valuable professional work products. Official methodology: Artificial Analysis (https://artificialanalysis.ai/).
8 models. Left is cheaper. Up is a higher score. The line is the best score you can buy at each price — a dot under it is a worse deal than something on the line.
Next step
Auth, billing, and the API layer are already decided. Fork 8 finished AI apps, or have us build the first version with you.
The index
347 models across 36 providers. Search or jump to a lab — every model page stays linked here.









As of September 2, 2026, Claude Fable 5 by Anthropic is #1 for GDPval-AA v2 at 1932. Ranked by the GDPval-AA v2 score This board also tracks GDPval-AA v2. Next on the same board: Claude Mythos 5 and Claude Fable 5.1. This gdpval-aa v2 leaderboard ranks models by GDPval-AA v2. Scores come from public evals. Prices are the live API rates in the table above.
Sources: Artificial Analysis (https://artificialanalysis.ai/); OpenAI API pricing (https://developers.openai.com/api/docs/pricing); Anthropic Claude API pricing (https://platform.claude.com/docs/en/about-claude/pricing); Gemini API pricing (https://ai.google.dev/gemini-api/docs/pricing)
| Rank | Model | GDPval-AA v2 | Input /M | Output /M |
|---|---|---|---|---|
| 1 | Claude Fable 5 | 1932 | $10.00 | $50.00 |
| 2 | Claude Mythos 5 | 1932 | $10.00 | $50.00 |
| 3 | Claude Fable 5.1 | 1853 | $10.00 | $50.00 |
| 4 | Claude Mythos 5.1 | 1853 | $10.00 | $50.00 |
| 5 | GLM-5.3 | 59% | $1.40 | $4.40 |
| 6 | Grok 4.6 | 58.4% | $2.00 | $6.00 |
| 7 | Gemini 3.7 Flash | 50.8% | $0.75 | $3.75 |
| 8 | Inkling-Small | 42.3% | $0.30 | $1.20 |
Rank one eval at a time. All LLM benchmarks.
As of September 2, 2026, Claude Fable 5 by Anthropic ranks #1 on GDPval-AA v2 at 1932. API pricing is $10.00/M input and $50.00/M output.
The current GDPval-AA v2 ranking as of September 2, 2026 is 1. Claude Fable 5 at 1932; 2. Claude Mythos 5 at 1932; 3. Claude Fable 5.1 at 1853.
Inkling-Small is the cheapest scored model on this gdpval-aa v2 leaderboard at $0.30/M input and $1.20/M output ($1.50 blended). Claude Fable 5 still leads GDPval-AA v2 at 1932.
Not automatically. Claude Fable 5 leads GDPval-AA v2, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh GDPval-AA v2 against input/output price, context window, and related evals.
Scores and API prices on this page are refreshed from published evals and provider rates. The snapshot is labeled September 2, 2026. Treat it as a current index, not a one-off blog post.
GDPval-AA v2 — Artificial Analysis Elo on economically valuable professional work products. This page ranks models that have published a GDPval-AA v2 score, with live API token prices on the same row. Official methodology: Artificial Analysis (https://artificialanalysis.ai/).
This page is the GDPval-AA v2 leaderboard. Models are sorted by GDPval-AA v2, with input and output token prices on the same row so you can weigh score against cost. Official boards often omit price; that comparison is the point of this index.
The official Artificial Analysis page owns the methodology. This page keeps the published GDPval-AA v2 score next to live API $/M so you can pick a production SKU, not only a trophy number. Source: https://artificialanalysis.ai/