Math benchmark

# FrontierMath Erdős leaderboard

> FrontierMath Erdős results for 7 AI models, led by GPT-6 Astra at 2.9%. What the benchmark measures, who runs it, and a source for every score.
- Canonical page: https://noometry.com/benchmarks/frontiermath-erdos
- Last updated: 2026-10-10
- Title: FrontierMath Erdős Leaderboard (October 2026): Scores by Model

As of October 2026, GPT-6 Astra has the highest published FrontierMath Erdős score on Noometry at 2.9%, out of 7 models with results.

Last verified October 10, 2026

## About FrontierMath Erdős

A description with primary sources is being prepared for this benchmark.

- **Category:** [Math](https://noometry.com/best/math)
- **Introduced:** 2026
- **Format:** Exact answer
- **Unit:** Percent (random guessing ≈ 0%)
- **Official site:** [epoch.ai](https://epoch.ai/frontiermath)

## Top 7 models

Top models on FrontierMath Erdős

1.  GPT-6 Astra 2.9%
2.  Claude Opus 5.5 2.9%
3.  Claude Sonnet 5.5 2.9%
4.  Claude Fable 5 0%
5.  Claude Fable 5.1 0%
6.  GPT-5.5 0%
7.  GPT-5.6 Sol 0%
8.  0123

Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise)

## All results

FrontierMath Erdős results by model
| # | Model | Provider | Score | Setting | Source | Date |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | [GPT-6 Astra](https://noometry.com/models/gpt-6-astra) | [OpenAI](https://noometry.com/providers/openai) | 2.9% | max | [Epoch AI](https://epoch.ai/benchmarks) | 2026-08-28 |
| 2 | [Claude Opus 5.5](https://noometry.com/models/claude-opus-5-5) | [Anthropic](https://noometry.com/providers/anthropic) | 2.9% | max | [Epoch AI](https://epoch.ai/benchmarks) | 2026-09-24 |
| 3 | [Claude Sonnet 5.5](https://noometry.com/models/claude-sonnet-5-5) | [Anthropic](https://noometry.com/providers/anthropic) | 2.9% | max | [Epoch AI](https://epoch.ai/benchmarks) | 2026-10-08 |
| 4 | [Claude Fable 5](https://noometry.com/models/claude-fable-5) | [Anthropic](https://noometry.com/providers/anthropic) | 0% | max | [Epoch AI](https://epoch.ai/benchmarks) | 2026-08-28 |
| 5 | [Claude Fable 5.1](https://noometry.com/models/claude-fable-5-1) | [Anthropic](https://noometry.com/providers/anthropic) | 0% | max | [Epoch AI](https://epoch.ai/benchmarks) | 2026-09-01 |
| 6 | [GPT-5.5](https://noometry.com/models/gpt-5-5) | [OpenAI](https://noometry.com/providers/openai) | 0% | xhigh | [Epoch AI](https://epoch.ai/benchmarks) | 2026-08-28 |
| 7 | [GPT-5.6 Sol](https://noometry.com/models/gpt-5-6-sol) | [OpenAI](https://noometry.com/providers/openai) | 0% | max | [Epoch AI](https://epoch.ai/benchmarks) | 2026-08-28 |

## Compare the leaders

-   [GPT-6 Astra vs Claude Opus 5.5](https://noometry.com/compare/claude-opus-5-5-vs-gpt-6-astra)
-   [GPT-6 Astra vs Claude Sonnet 5.5](https://noometry.com/compare/claude-sonnet-5-5-vs-gpt-6-astra)
-   [GPT-6 Astra vs Claude Fable 5](https://noometry.com/compare/claude-fable-5-vs-gpt-6-astra)
-   [GPT-6 Astra vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-gpt-6-astra)
-   [Claude Opus 5.5 vs Claude Sonnet 5.5](https://noometry.com/compare/claude-opus-5-5-vs-claude-sonnet-5-5)
-   [Claude Opus 5.5 vs Claude Fable 5](https://noometry.com/compare/claude-fable-5-vs-claude-opus-5-5)

## Other math benchmarks

-   [FrontierMath (Tiers 1-3)](https://noometry.com/benchmarks/frontiermath)
-   [FrontierMath Tier 4](https://noometry.com/benchmarks/frontiermath-tier-4)
-   [MathArena Final-Answer Competitions](https://noometry.com/benchmarks/matharena)
-   [OTIS Mock AIME 2024-2025](https://noometry.com/benchmarks/otis-mock-aime)
-   [ProofBench](https://noometry.com/benchmarks/proofbench)
-   [Omni-MATH](https://noometry.com/benchmarks/omni-math)
-   [LMArena Math](https://noometry.com/benchmarks/arena-math)
-   [LiveBench Math](https://noometry.com/benchmarks/livebench-math)
-   [MATH Level 5](https://noometry.com/benchmarks/math-level-5)
-   [FrontierMath (Feb 2025 set)](https://noometry.com/benchmarks/frontiermath-2025-02) (reference)
-   [FrontierMath Tier 4 (v1)](https://noometry.com/benchmarks/frontiermath-tier-4-v1) (reference)
-   [GSM8K](https://noometry.com/benchmarks/gsm8k) (reference)

## Frequently asked questions

### Which model has the highest FrontierMath Erdős score?

As of October 2026, GPT-6 Astra has the highest published FrontierMath Erdős score on Noometry at 2.9%, out of 7 models with results.

### Cite this page

Noometry. (2026). FrontierMath Erdős leaderboard. Retrieved October 10, 2026, from https://noometry.com/benchmarks/frontiermath-erdos

Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/benchmarks/frontiermath-erdos.md).