OpenAI GPT-6 Astra Launch - OpenAI MRCR v2 8-needle 256K-512K: leaderboard
OpenAI MRCR v2 long-context multi-round coreference test with 8 needles and prompts of 256K-512K tokens, long context table of OpenAI's GPT-6 Astra launch post (2026-09-03). Score in percent, higher is better; only GPT-6 Astra and GPT-5.6 Sol have values. Kept per launch, separate from the GPT-5.6 launch board.
Metric: Score (%). Source: openai.com. Saturation forecast: Around February 2027. 2 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-6 Astra | 100 | #6 |
| 2 | GPT-5.6 Sol | 91.5 | #22 |
No result here: #3 Claude Opus 5.5, #7 GPT-6.1 Sol, #9 Gemini 4 Argon.
Interactive version: theaggregate.ai/benchmark?slug=openai-gpt-6-astra-launch-openai-mrcr-v2-8-needle-256k-512k · How It Works · Data refreshed daily, snapshot 2026-11-05.