Who ranks #1 on the Tau Bench Airline leaderboard?
As of August 20, 2026, Claude Sonnet 4.5 by Anthropic ranks #1 on Tau Bench Airline at 70%. API pricing is $3.00/M input and $15.00/M output.
As of August 20, 2026, Claude Sonnet 4.5 is #1 for Tau Bench Airline at 70%. Ranked by the Tau Bench Airline score 21 models in this index have a published Tau Bench Airline score. Tau Bench Airline leaderboard: rank models by Tau Bench Airline next to live API token prices.
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As of August 20, 2026, Claude Sonnet 4.5 by Anthropic is #1 for Tau Bench Airline at 70%. Ranked by the Tau Bench Airline score This board also tracks Tau Bench Airline. Next on the same board: MiniMax M1 80K and GLM-4.5-Air. This tau bench airline leaderboard ranks models by Tau Bench Airline. 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 | Tau Bench Airline | Input /M | Output /M |
|---|---|---|---|---|
| 1 | Claude Sonnet 4.5 | 70% | $3.00 | $15.00 |
| 2 | MiniMax M1 80K | 62% | $0.55 | $2.20 |
| 3 | GLM-4.5-Air | 60.8% | $0.20 | $1.10 |
| 4 | GLM-4.5 | 60.4% | $0.60 | $2.20 |
| 5 | Claude Sonnet 4 | 60% | $3.00 | $15.00 |
| 6 | Qwen3-Coder 480B A35B Instruct | 60% | $0.22 | $1.80 |
| 7 | Claude Opus 4 | 59.6% | $15.00 | $75.00 |
| 8 | Claude 3.7 Sonnet | 58.4% | $3.00 | $15.00 |
Rank one eval at a time. All LLM benchmarks.
As of August 20, 2026, Claude Sonnet 4.5 by Anthropic ranks #1 on Tau Bench Airline at 70%. API pricing is $3.00/M input and $15.00/M output.
The current Tau Bench Airline ranking as of August 20, 2026 is 1. Claude Sonnet 4.5 at 70%; 2. MiniMax M1 80K at 62%; 3. GLM-4.5-Air at 60.8%.
GPT-4.1 nano is the cheapest scored model on this tau bench airline leaderboard at $0.10/M input and $0.40/M output ($0.50 blended). Claude Sonnet 4.5 still leads Tau Bench Airline at 70%.
Not automatically. Claude Sonnet 4.5 leads Tau Bench Airline, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Tau Bench Airline 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.
Tau Bench Airline is a public LLM eval (the Tau Bench Airline score). This page ranks models that have published a score, next to live API prices.
This page is the Tau Bench Airline leaderboard. Models are sorted by Tau Bench Airline, 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 Tau Bench Airline score next to live API $/M so you can pick a production SKU, not only a trophy number.