SpireClimb leaderboard
- GPT-6 Astra leads
- 25.7%
- models measured
- 7
- lead over #2
- +1.0 pts
- median
- 3.3%
Leader on SpireClimb · read October 21
On October 21, 2026, 7 of our catalog's models had a SpireClimb result, and OpenAI GPT-6 Astra led with 25.7%, ahead of OpenAI GPT-6.1 Sol at 24.7%.
Epoch AI collects its results; its benchmarking hub describes the tasks and links the authors.
Role in the index
SpireClimb is shown as published and does not feed any of our indexes. Read the methodology
| # | Model | Result | Evidence | Coding index | Output $/Mtok |
|---|---|---|---|---|---|
| 1 | GPT-6 AstraOpenAI | 25.7% | 85.1 | $50.00 | |
| 2 | GPT-6.1 SolOpenAI | 24.7% | 82.4 | $10.00 | |
| 3 | GPT-6 SolOpenAI | 7.5% | 76.0 | $10.00 | |
| 4 | Claude Opus 5.5Anthropic | 3.3% | 88.8 | $20.00 | |
| 5 | Claude Fable 5.1Anthropic | 2.0% | 84.2 | $50.00 | |
| 6 | Claude Sonnet 5.5Anthropic | 1.3% | 87.3 | $10.00 | |
| 7 | GPT-6 LunaOpenAI | 0.0% | 57.3 | $0.50 |
Only models in our catalog are listed, and each appears once with its best published run. 215 rows were read from the source on October 21, 2026, and rows that match no catalog model are left out.