Updated daily at 05:00 UTC
Vision-language
GPT-6 Astra
- Released
- 3 Sep 2026
- Status
- Current
- Context
- 1.1M
- Max output
- 128K
- Input per 1M tokens
- $10.00
- Output per 1M tokens
- $50.00
- Open weights
- No
- License
- proprietary
- Parameters
- —
- Knowledge cutoff
- 30 Apr 2026
- Reasoning
- Yes
- Modalities
- text, image → text
Category scores
Out of 100, from independent and third-party results only, by method category-2026-09-29.1.
| Category | Score | Rank | Coverage |
|---|---|---|---|
| Knowledge & reasoning | 74.2 | 2 | 3 of 4 |
| Coding & software engineering | 58.0 | 2 | 3 of 5 |
| Agentic tool use | 68.3 | Not ranked | 1 of 2 |
| Vision & multimodal understanding | 71.4 | Not ranked | 1 of 3 |
| Factuality & hallucination | 75.6 | 1 | 1 of 1 |
| Human preference | 61.5 | 3 | 4 of 5 |
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
Knowledge & reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Chess Puzzles | Puzzles solved | 72.0% | Independent | max | 30 Aug 2026 | Epoch AI |
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 97.3% | Third party | xhigh | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 97.1% | Third party | medium | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 97.1% | Third party | unknown | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 96.5% | Third party | high | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| DTBench (Decision Theory Benchmark) | Accuracy (capability questions) | 94.9% | Third party | low | — | https://conceptualreasoning.ai/dtbench via Epoch AI |
| Earthborne Rangers (EBR-bench) | Objectives reached | 76.2% | Independent | max | 30 Aug 2026 | Epoch AI |
| LMCA (Language Model Conceptual Argumentation) | Correlation with expert ratings (Pearson r) | 0.6437 | Third party | xhigh | — | https://conceptualreasoning.ai/lmca via Epoch AI |
| LMCA (Language Model Conceptual Argumentation) | Correlation with expert ratings (Pearson r) | 0.6411 | Third party | unknown | — | https://conceptualreasoning.ai/lmca via Epoch AI |
| LMCA (Language Model Conceptual Argumentation) | Correlation with expert ratings (Pearson r) | 0.6384 | Third party | high | — | https://conceptualreasoning.ai/lmca via Epoch AI |
| LMCA (Language Model Conceptual Argumentation) | Correlation with expert ratings (Pearson r) | 0.6293 | Third party | medium | — | https://conceptualreasoning.ai/lmca via Epoch AI |
| LMCA (Language Model Conceptual Argumentation) | Correlation with expert ratings (Pearson r) | 0.6219 | Third party | low | — | https://conceptualreasoning.ai/lmca via Epoch AI |
| Mystery Game Puzzles | Puzzles solved | 84.0% | Independent | max | 30 Aug 2026 | Epoch AI |
Scientific reasoning
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| GPQA Diamond | Accuracy | 95.8% | Independent | max | 30 Aug 2026 | Epoch AI |
Mathematics
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| FrontierMath Tier 4 | Accuracy | 97.6% | Independent | high | 30 Aug 2026 | Epoch AI |
| FrontierMath Tier 4 | Accuracy | 97.6% | Independent | xhigh | 30 Aug 2026 | Epoch AI |
| FrontierMath Tier 4 | Accuracy | 97.6% | Independent | max | 30 Aug 2026 | Epoch AI |
| FrontierMath Tier 4 | Accuracy | 97.6% | Independent | medium | 30 Aug 2026 | Epoch AI |
| FrontierMath Tier 4 | Accuracy | 87.8% | Independent | low | 30 Aug 2026 | Epoch AI |
| FrontierMath Tier 4 | Accuracy | 82.9% | Independent | none | 30 Aug 2026 | Epoch AI |
| FrontierMath Tiers 1-3 | Accuracy | 93.7% | Independent | max | 30 Aug 2026 | Epoch AI |
| OTIS Mock AIME 2024-2025 | Accuracy | 100.0% | Independent | max | 30 Aug 2026 | Epoch AI |
Coding & software engineering
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| DeepSWE | Pass@1 | 74.1% | Third party | xhigh | — | https://deepswe.datacurve.ai/ via Epoch AI |
| DeepSWE | Pass@1 | 73.2% | Third party | max | — | https://deepswe.datacurve.ai/ via Epoch AI |
| DeepSWE | Pass@1 | 73.2% | Third party | high | — | https://deepswe.datacurve.ai/ via Epoch AI |
| DeepSWE | Pass@1 | 72.8% | Third party | medium | — | https://deepswe.datacurve.ai/ via Epoch AI |
| DeepSWE | Pass@1 | 67.0% | Third party | low | — | https://deepswe.datacurve.ai/ via Epoch AI |
| FrontierCode | Main score (Mean@5) | 53.3% | Third party | max | — | https://cognition.com/frontiercode via Epoch AI |
| MirrorCode | Score | 46.7% | Independent | high | 30 Aug 2026 | Epoch AI |
| WeirdML (v2) | Average accuracy | 93.6% | Third party | promax | — | https://htihle.github.io/weirdml.html via Epoch AI |
| WeirdML (v2) | Average accuracy | 93.3% | Third party | max | — | https://htihle.github.io/weirdml.html via Epoch AI |
| WeirdML (v2) | Average accuracy | 92.9% | Third party | high | — | https://htihle.github.io/weirdml.html via Epoch AI |
Agentic tool use
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| BALROG | Average progress | 68.3% | Third party | max | — | https://balrogai.com/ via Epoch AI |
Professional knowledge work
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| APEX-Agents | Pass@1 (all rubric criteria met) | 64.7% | Source not stated | unknown | — | Epoch AI via Epoch AI |
Vision & multimodal understanding
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Furniture Assembly | Score | 80.0% | Independent | max | 10 Sep 2026 | Epoch AI |
Factuality & hallucination
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| SimpleQA Verified | Accuracy (% correct) | 75.6% | Independent | max | 30 Aug 2026 | Epoch AI |
Human preference
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Code Arena: WebDev (arena.ai) | Arena score (Elo scale) | 1792 | Independent | max | 25 Sep 2026 | Arena |
| Code Arena: WebDev (arena.ai) | Votes | 4908 | Independent | max | 25 Sep 2026 | Arena |
| Document Arena (arena.ai) | Arena score (Elo scale) | 1473 | Independent | max | 13 Sep 2026 | Arena |
| Document Arena (arena.ai) | Votes | 1621 | Independent | max | 13 Sep 2026 | Arena |
| Text Arena (arena.ai) | Arena score (Elo scale) | 1478 | Independent | max | 25 Sep 2026 | Arena |
| Text Arena (arena.ai) | Votes | 7185 | Independent | max | 25 Sep 2026 | Arena |
| Vision Arena (arena.ai) | Arena score (Elo scale) | 1285 | Independent | max | 28 Sep 2026 | Arena |
| Vision Arena (arena.ai) | Votes | 2869 | Independent | max | 28 Sep 2026 | Arena |
Other GPT-6 versions
- GPT-6 Luna22 Sep 2026
- GPT-6 Sol22 Sep 2026