Model evaluation report

GPT-6 Astra System Card

OpenAI · Published 2026-09-03

A system card is the model developer’s report describing the model, its evaluations, and its limitations.

Evidence from this source

Results and research linked to this document
Type	Evidence
Result	Internal Research Debugging Evaluation · GPT-6 Astra Source details Section 10.1.3.1; Appendix Figure 84, Internal Research Debugging, original labeled PNG
Result	KernelGen 1P · GPT-6 Astra Source details Section 10.1.3.2
Result	NanoGPT · GPT-6 Astra Source details Section 10.1.3.3
Result	PostTrainBench Lite · GPT-6 Astra Source details Section 10.1.3.4
Result	MLE-bench · GPT-6 Astra Source details Section 10.1.3.5
Result	KernelGen 1P · GPT-6 Astra Source details Appendix A.8.1.3.2, Figure 85 (PDF printed page 152); exact bar labels; section 10.1.3.2
Result	KernelGen 1P · GPT-6 Sol Source details Appendix A.8.1.3.2, Figure 85 (PDF printed page 152); exact bar labels; section 10.1.3.2
Result	KernelGen 1P · GPT-5.6 Sol Source details Appendix A.8.1.3.2, Figure 85 (PDF printed page 152); exact bar labels; section 10.1.3.2
Result	KernelGen 1P · GPT-6 Luna Source details Appendix A.8.1.3.2, Figure 85 (PDF printed page 152); exact bar labels; section 10.1.3.2
Result	KernelGen 1P · GPT-5.6 Luna Source details Appendix A.8.1.3.2, Figure 85 (PDF printed page 152); exact bar labels; section 10.1.3.2
Result	MLE-bench · GPT-6 Astra Source details Section 10.1.3.5, Figure 56, printed page 105; GPT-6 Astra (max)
Result	MLE-bench · GPT-5.6 Sol Source details Section 10.1.3.5, Figure 56, printed page 105; GPT-5.6 Sol (max)
Result	NanoGPT · GPT-6 Astra Source details Section 10.1.3.3, Figure 54; GPT-6 Astra series
Result	NanoGPT · GPT-5.6 Sol Source details Section 10.1.3.3, Figure 54; GPT-5.6 Sol series
Result	PostTrainBench Lite · GPT-6 Astra Source details Section 10.1.3.4, Figure 55; GPT-6 Astra series
Result	PostTrainBench Lite · GPT-5.6 Sol Source details Section 10.1.3.4, Figure 55; GPT-5.6 Sol series
Result	Internal Research Debugging Evaluation · GPT-6 Sol Source details Appendix Figure 84, Internal Research Debugging, original labeled PNG
Result	Internal Research Debugging Evaluation · GPT-5.6 Sol Source details Appendix Figure 84, Internal Research Debugging, original labeled PNG
Result	Internal Research Debugging Evaluation · GPT-6 Luna Source details Appendix Figure 84, Internal Research Debugging, original labeled PNG
Result	Internal Research Debugging Evaluation · GPT-5.6 Luna Source details Appendix Figure 84, Internal Research Debugging, original labeled PNG
Benchmark	Internal Research Debugging Evaluation Source details Section 10.1.3 and Sections 10.1.3.1–10.1.3.5; Table 18
Benchmark	KernelGen 1P Source details Section 10.1.3 and Sections 10.1.3.1–10.1.3.5; Table 18
Benchmark	NanoGPT Source details Section 10.1.3 and Sections 10.1.3.1–10.1.3.5; Table 18
Benchmark	PostTrainBench Lite Source details Section 10.1.3 and Sections 10.1.3.1–10.1.3.5; Table 18
Paper / report	GPT-6 Astra System Card Source details Primary publication source

Document tracking details

Source ID: src-astra
Source type: Primary
Original URL: https://deploymentsafety.openai.com/gpt-6-astra
Last updated by publisher: 2026-09-22
Access status: available
Retrieved: 2026-09-26T04:47:27Z
Document fingerprint: bb824295442992a152dd4596b5f615697b194e79c794a9a4c1dd6170279ee20f
Based on original bytes. Used to detect changes to the source.

Availability checks

2026-09-26T04:47:27Z · success: Original source inspected by Codex; extraction check, not experimental replication.