Who ranks #1 on the Gdpval Aa leaderboard?
As of August 20, 2026, Claude Fable 5 by Anthropic ranks #1 on Gdpval Aa at 1932. API pricing is $10.00/M input and $50.00/M output.
As of August 20, 2026, Claude Fable 5 is #1 for Gdpval Aa at 1932. Ranked by the Gdpval Aa score 6 models in this index have a published Gdpval Aa score. Gdpval Aa leaderboard: rank models by Gdpval Aa next to live API token prices.
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As of August 20, 2026, Claude Fable 5 by Anthropic is #1 for Gdpval Aa at 1932. Ranked by the Gdpval Aa score This board also tracks Gdpval Aa. Next on the same board: Claude Mythos 5 and GLM-5.3. This gdpval aa leaderboard ranks models by Gdpval Aa. Scores come from public evals. Prices are the live API rates in the table above.
Sources: 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 | Input /M | Output /M |
|---|---|---|---|---|
| 1 | Claude Fable 5 | 1932 | $10.00 | $50.00 |
| 2 | Claude Mythos 5 | 1932 | $10.00 | $50.00 |
| 3 | GLM-5.3 | 59% | $1.40 | $4.40 |
| 4 | Grok 4.6 | 58.4% | $2.00 | $6.00 |
| 5 | Gemini 3.7 Flash | 50.8% | $0.75 | $3.75 |
| 6 | Inkling-Small | 42.3% | $0.30 | $1.20 |
Rank one eval at a time. All LLM benchmarks.
As of August 20, 2026, Claude Fable 5 by Anthropic ranks #1 on Gdpval Aa at 1932. API pricing is $10.00/M input and $50.00/M output.
The current Gdpval Aa ranking as of August 20, 2026 is 1. Claude Fable 5 at 1932; 2. Claude Mythos 5 at 1932; 3. GLM-5.3 at 59%.
Inkling-Small is the cheapest scored model on this gdpval aa leaderboard at $0.30/M input and $1.20/M output ($1.50 blended). Claude Fable 5 still leads Gdpval Aa at 1932.
Not automatically. Claude Fable 5 leads Gdpval Aa, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Gdpval Aa 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 August 20, 2026. Treat it as a current index, not a one-off blog post.
Gdpval Aa is a public LLM eval (the Gdpval Aa score). This page ranks models that have published a score, next to live API prices.
This page is the Gdpval Aa leaderboard. Models are sorted by Gdpval Aa, 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.
Official eval pages own the methodology. This page keeps the published Gdpval Aa score next to live API $/M so you can pick a production SKU, not only a trophy number.