Who ranks #1 on the Terminal-Bench 2.0 leaderboard?
As of August 20, 2026, GPT-5.5 by OpenAI ranks #1 on Terminal-Bench 2.0 at 82.7%. API pricing is $5.00/M input and $30.00/M output.
As of August 20, 2026, GPT-5.5 is #1 for Terminal-Bench 2.0 at 82.7%. Ranked by the Terminal-Bench 2.0 score 68 models in this index have a published Terminal-Bench 2.0 score. Methodology: Terminal-Bench (https://www.tbench.ai/). Terminal-Bench 2.0 leaderboard with live API prices. Terminal-Bench 2.0 — updated version testing terminal proficiency with harder sysadmin and DevOps challenges. Official methodology: Terminal-Bench (https://www.tbench.ai/).
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As of August 20, 2026, GPT-5.5 by OpenAI is #1 for Terminal-Bench 2.0 at 82.7%. Ranked by the Terminal-Bench 2.0 score This board also tracks Terminal-Bench 2.0. Next on the same board: Claude Mythos Preview and Claude Sonnet 5. This terminal-bench 2.0 leaderboard ranks models by Terminal-Bench 2.0. Scores come from public evals. Prices are the live API rates in the table above.
Sources: Terminal-Bench (https://www.tbench.ai/); 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 | Terminal-Bench 2.0 | Input /M | Output /M |
|---|---|---|---|---|
| 1 | GPT-5.5 | 82.7% | $5.00 | $30.00 |
| 2 | Claude Mythos Preview | 82% | $10.00 | $50.00 |
| 3 | Claude Sonnet 5 | 80.4% | $2.00 | $10.00 |
| 4 | Qwen3.7-Plus | 70.3% | $0.32 | $1.28 |
| 5 | Claude Opus 4.8 | 70.0% | $5.00 | $25.00 |
| 6 | Claude Opus 4.7 | 68.5% | $5.00 | $25.00 |
| 7 | MiMo-V2.5-Pro | 68.4% | $0.43 | $0.87 |
| 8 | DeepSeek-V4-Pro-Max | 67.9% | $1.74 | $3.48 |
Rank one eval at a time. All LLM benchmarks.
As of August 20, 2026, GPT-5.5 by OpenAI ranks #1 on Terminal-Bench 2.0 at 82.7%. API pricing is $5.00/M input and $30.00/M output.
The current Terminal-Bench 2.0 ranking as of August 20, 2026 is 1. GPT-5.5 at 82.7%; 2. Claude Mythos Preview at 82%; 3. Claude Sonnet 5 at 80.4%.
DeepSeek-V4-Flash-0423 is the cheapest scored model on this terminal-bench 2.0 leaderboard at $0.10/M input and $0.20/M output ($0.30 blended). GPT-5.5 still leads Terminal-Bench 2.0 at 82.7%.
Not automatically. GPT-5.5 leads Terminal-Bench 2.0, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Terminal-Bench 2.0 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.
Terminal-Bench 2.0 — updated version testing terminal proficiency with harder sysadmin and DevOps challenges. This page ranks models that have published a Terminal-Bench 2.0 score, with live API token prices on the same row. Official methodology: Terminal-Bench (https://www.tbench.ai/).
This page is the Terminal-Bench 2.0 leaderboard. Models are sorted by Terminal-Bench 2.0, 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.
The official Terminal-Bench page owns the methodology. This page keeps the published Terminal-Bench 2.0 score next to live API $/M so you can pick a production SKU, not only a trophy number. Source: https://www.tbench.ai/