Who ranks #1 on the tau2-bench Retail leaderboard?
As of August 20, 2026, Claude Opus 4.6 by Anthropic ranks #1 on tau2-bench Retail at 91.9%. API pricing is $5.00/M input and $25.00/M output.
As of August 20, 2026, Claude Opus 4.6 is #1 for tau2-bench Retail at 91.9%. Ranked by the tau2-bench Retail score 24 models in this index have a published tau2-bench Retail score. tau2-bench Retail leaderboard: rank models by tau2-bench Retail next to live API token prices.
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As of August 20, 2026, Claude Opus 4.6 by Anthropic is #1 for tau2-bench Retail at 91.9%. Ranked by the tau2-bench Retail score This board also tracks tau2-bench Retail. Next on the same board: Claude Sonnet 4.6 and Claude Opus 4.5. This tau2-bench retail leaderboard ranks models by tau2-bench Retail. 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 | tau2-bench Retail | Input /M | Output /M |
|---|---|---|---|---|
| 1 | Claude Opus 4.6 | 91.9% | $5.00 | $25.00 |
| 2 | Claude Sonnet 4.6 | 91.7% | $3.00 | $15.00 |
| 3 | Claude Opus 4.5 | 88.9% | $5.00 | $25.00 |
| 4 | LongCat-Flash-Thinking-2601 | 88.6% | $0.30 | $1.20 |
| 5 | Claude Haiku 4.5 | 83.2% | $1.00 | $5.00 |
| 6 | GPT-5.2 | 82% | $1.75 | $14.00 |
| 7 | GPT-5 | 81.1% | $1.25 | $10.00 |
| 8 | o3 | 80.2% | $2.00 | $8.00 |
Rank one eval at a time. All LLM benchmarks.
As of August 20, 2026, Claude Opus 4.6 by Anthropic ranks #1 on tau2-bench Retail at 91.9%. API pricing is $5.00/M input and $25.00/M output.
The current tau2-bench Retail ranking as of August 20, 2026 is 1. Claude Opus 4.6 at 91.9%; 2. Claude Sonnet 4.6 at 91.7%; 3. Claude Opus 4.5 at 88.9%.
Nemotron 3 Nano (30B A3B) is the cheapest scored model on this tau2-bench retail leaderboard at $0.06/M input and $0.24/M output ($0.30 blended). Claude Opus 4.6 still leads tau2-bench Retail at 91.9%.
Not automatically. Claude Opus 4.6 leads tau2-bench Retail, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh tau2-bench Retail 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.
tau2-bench Retail is a public LLM eval (the tau2-bench Retail score). This page ranks models that have published a score, next to live API prices.
This page is the tau2-bench Retail leaderboard. Models are sorted by tau2-bench Retail, 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 tau2-bench Retail score next to live API $/M so you can pick a production SKU, not only a trophy number.