Who ranks #1 on the Agent Startup Bench leaderboard?
As of August 20, 2026, Seed 2.1 Turbo by ByteDance ranks #1 on Agent Startup Bench at 54%. API pricing is $0.50/M input and $2.50/M output.
As of August 20, 2026, Seed 2.1 Turbo is #1 for Agent Startup Bench at 54%. Ranked by the Agent Startup Bench score 1 models in this index have a published Agent Startup Bench score. Agent Startup Bench leaderboard: rank models by Agent Startup Bench next to live API token prices.
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As of August 20, 2026, Seed 2.1 Turbo by ByteDance is #1 for Agent Startup Bench at 54%. Ranked by the Agent Startup Bench score This board also tracks Agent Startup Bench. This agent startup bench leaderboard ranks models by Agent Startup Bench. 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 | Agent Startup Bench | Input /M | Output /M |
|---|---|---|---|---|
| 1 | Seed 2.1 Turbo | 54% | $0.50 | $2.50 |
Rank one eval at a time. All LLM benchmarks.
As of August 20, 2026, Seed 2.1 Turbo by ByteDance ranks #1 on Agent Startup Bench at 54%. API pricing is $0.50/M input and $2.50/M output.
Seed 2.1 Turbo currently leads Agent Startup Bench and is also the cheapest scored model on this page, at $0.50/M input and $2.50/M output ($3.00 blended).
Not automatically. Seed 2.1 Turbo leads Agent Startup Bench, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Agent Startup Bench 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.
Agent Startup Bench is a public LLM eval (the Agent Startup Bench score). This page ranks models that have published a score, next to live API prices.
This page is the Agent Startup Bench leaderboard. Models are sorted by Agent Startup Bench, 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 Agent Startup Bench score next to live API $/M so you can pick a production SKU, not only a trophy number.