western lab · United States
OpenAI
Research lab building general-purpose frontier models, deployed through ChatGPT and the OpenAI API. Structured as a capped-profit entity under a nonprofit board, with Microsoft as its primary compute partner.
- Founded
- 2015
- Models tracked
- 91
- Valuation
- $300B
- Country
- United States
est. · as of Aug 2026
Founders
Sam Altman · Ilya Sutskever · Greg Brockman · Elon Musk · Wojciech Zaremba
Model Benchmarks
data by
| Model | Released | Intelligence | Coding | GPQA | HLE | SciCode | Terminal-Bench Hard | Tau2 | LCR | IFBench | Speed | TTFT | $/1M in | $/1M out | $/1M blended |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-6 Astra (max) | 2026-09-03 | 52.7 | 76.9 | 96.1% | 54.7% | 56.5% | — | — | 80.7% | — | 59.6 t/s | 209.39s | $10 | $50 | $20 |
| GPT-6 Astra (xhigh) | 2026-09-03 | 52.4 | 75.9 | 96.3% | 54.6% | 55.7% | — | — | 80% | — | 56.2 t/s | 70.8s | $10 | $50 | $20 |
| GPT-6 Astra (high) | 2026-09-03 | 50.9 | 77.1 | 94.9% | 53.1% | 55.4% | — | — | 80% | — | 54.9 t/s | 25.98s | $10 | $50 | $20 |
| GPT-6 Astra (medium) | 2026-09-03 | 49.6 | 76.7 | 93.9% | 52.7% | 54.2% | — | — | 79.7% | — | 51.9 t/s | 4s | $10 | $50 | $20 |
| GPT-5.6 Sol (max) | 2026-07-09 | 47 | 77.4 | 94.1% | 49.5% | 57.1% | 65.9% | 85.1% | 84% | 72.7% | 64.9 t/s | 64.46s | $4 | $20 | $8 |
| GPT-6 Astra (low) | 2026-09-03 | 45.8 | 75.7 | 93.1% | 49.2% | 54.1% | — | — | 80% | — | 50.2 t/s | 1.29s | $10 | $50 | $20 |
| GPT-5.6 Sol (xhigh) | 2026-07-09 | 44 | 78.3 | 93.1% | 47.3% | 57.1% | 61.4% | 84.8% | 82.3% | 71% | 66.4 t/s | 28.57s | $4 | $20 | $8 |
| GPT-5.6 Sol (high) | 2026-07-09 | 42.3 | 77.2 | 92.8% | 46% | 57.8% | 62.1% | 83.3% | 81.7% | 69.2% | 60.6 t/s | 9.4s | $4 | $20 | $8 |
| GPT-5.6 Terra (max) | 2026-07-09 | 42.1 | 76.7 | 92.5% | 42.9% | 55% | 57.6% | 86.3% | 83% | 71.2% | 88.1 t/s | 117.76s | $2 | $12 | $4.5 |
| GPT-5.6 Sol (medium) | 2026-07-09 | 39.2 | 76.3 | 92.6% | 42.2% | 57.4% | 62.9% | 81% | 80.3% | 69.6% | 62.9 t/s | 5.45s | $4 | $20 | $8 |
Indices on Artificial Analysis 0-100 scale · eval scores are raw accuracy · “—” means the metric is not published for that model
Release Timeline
last 48 months- 2026-09-18Introducing the Australian Youth Safety Blueprint.Milestone
- 2026-09-17OpenAI provided ChatGPT to Cooley for IPO work.Funding
- 2026-09-17OpenAI released Astra for Law.Milestone
- 2026-09-16OpenAI helped older adults use AI in everyday life.Milestone
- 2026-09-16OpenAI reimagined advertising with AI.Milestone
- 2026-09-16Hex integrated GPT-6 Astra for visual reports.Milestone
Milestones written by Frontier Index from Artificial Analysis release dates, disclosed funding rounds, the official newsroom and major tech press. Linked rows open the original report.
Newsroom
source ↗- 2026-09-17How Cooley is accelerating IPO work with ChatGPTRelease
- 2026-09-17Introducing Astra for LawModel Launch
- 2026-09-16Helping older adults use AI in everyday lifeRelease
- 2026-09-16Reimagining advertising with AIRelease
- 2026-09-16Hex turns complex analysis into visual reports with GPT‑6 AstraModel Launch
- 2026-09-16How to connect AI usage to business valueRelease
- 2026-09-16Our framework for reporting model misalignmentRelease
- 2026-09-16How workers are unlocking new ways of workingRelease
Partners & Investors
- Total raised
- $180B
- Latest round
- $122B (2026 Financing)
- Funding rounds
- 15+
Funding rounds
- Funding Round$122B
Mar 2026 · SoftBank, a16z, D. E. Shaw Ventures, MGX, TPG, T. Rowe Price
- Funding Round$110B
Feb 2026 · Amazon, NVIDIA, SoftBank
- Funding Round$40B
Mar 2025 · SoftBank
- Funding Round$6.6B
Oct 2024 · Thrive Capital, Microsoft, NVIDIA, SoftBank, MGX
Disclosed figures only · as of Aug 2026