Who ranks #1 on the Agents' Last Exam leaderboard?
As of August 20, 2026, GPT-5.6 Sol by OpenAI ranks #1 on Agents' Last Exam at 52.7%. API pricing is $5.00/M input and $30.00/M output.
As of August 20, 2026, GPT-5.6 Sol is #1 for Agents' Last Exam at 52.7%. Ranked by the Agents' Last Exam score 9 models in this index have a published Agents' Last Exam score. Agents' Last Exam leaderboard with live API prices. Agents' Last Exam — difficult long-horizon agent evaluation.
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As of August 20, 2026, GPT-5.6 Sol by OpenAI is #1 for Agents' Last Exam at 52.7%. Ranked by the Agents' Last Exam score This board also tracks Agents' Last Exam. Next on the same board: Qwen3.8 Max and GPT-5.6 Terra. This agents' last exam leaderboard ranks models by Agents' Last Exam. 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 | Agents' Last Exam | Input /M | Output /M |
|---|---|---|---|---|
| 1 | GPT-5.6 Sol | 52.7% | $5.00 | $30.00 |
| 2 | Qwen3.8 Max | 52.4% | $2.00 | $6.00 |
| 3 | GPT-5.6 Terra | 50.4% | $2.00 | $12.00 |
| 4 | GPT-5.6 Luna | 50.3% | $0.20 | $1.20 |
| 5 | Qwen3.8-27B | 42.9% | $0.45 | $3.20 |
| 6 | GLM-5.3 | 28.5% | $1.40 | $4.40 |
| 7 | Gemini 3.7 Flash | 26.3% | $0.75 | $3.75 |
| 8 | DeepSeek-V4-Pro-0813 | 25.7% | $1.32 | $3.96 |
Rank one eval at a time. All LLM benchmarks.
As of August 20, 2026, GPT-5.6 Sol by OpenAI ranks #1 on Agents' Last Exam at 52.7%. API pricing is $5.00/M input and $30.00/M output.
The current Agents' Last Exam ranking as of August 20, 2026 is 1. GPT-5.6 Sol at 52.7%; 2. Qwen3.8 Max at 52.4%; 3. GPT-5.6 Terra at 50.4%.
GPT-5.6 Luna is the cheapest scored model on this agents' last exam leaderboard at $0.20/M input and $1.20/M output ($1.40 blended). GPT-5.6 Sol still leads Agents' Last Exam at 52.7%.
Not automatically. GPT-5.6 Sol leads Agents' Last Exam, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Agents' Last Exam 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.
Agents' Last Exam — difficult long-horizon agent evaluation. This page ranks models that have published a Agents' Last Exam score, with live API token prices on the same row.
This page is the Agents' Last Exam leaderboard. Models are sorted by Agents' Last Exam, 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 Agents' Last Exam score next to live API $/M so you can pick a production SKU, not only a trophy number.