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Grok 4.7 vs GPT-6 Astra
GPT-6 Astra scores higher than Grok 4.7 on all 4 public leaderboards that rate both. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, Grok 4.7 is at 59.6 and GPT-6 Astra at 92.6 (out of 100). On each maker's API, Grok 4.7 costs $2 / $6 per 1M tokens (input / output) and GPT-6 Astra $10 / $50.
Scores as published by each board; table composed November 8, 2026.
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Leaderboard by leaderboard
| Board | Grok 4.7 | GPT-6 Astra | Higher |
|---|---|---|---|
| LMArena Elo (community votes) | 1,638.3 | 1,769.8 | GPT-6 Astra |
| LiveBench global average (0-100) | 70.1 | 85.6 | GPT-6 Astra |
| Vals AI Vals Index accuracy % · weighted finance + coding tasks | 58.6 | 65 | GPT-6 Astra |
| Artificial Analysis intelligence index · measured runs only | 35 | 56.9 | GPT-6 Astra |
Raw scores are each board's own scale, so compare within a row, not across rows. Full table: the bench index.
For coding
On the ArtificialWatch coding index, Grok 4.7 is at 42 (#24 of 45) and GPT-6 Astra at 76 (#10). GPT-6 Astra scores higher on all 3 coding boards that rate both.
| Coding board | Grok 4.7 | GPT-6 Astra |
|---|---|---|
| LMArena · Coding | 1,425.3 | 1,494.4 |
| LiveBench · Coding | 84.5 | 93.7 |
| Vals Vibe Code Bench | 86.2 | 89.6 |
Grok 4.7 at a glance
- Developer
- xAI
- Status
- Live since September 21, 2026
- API price
- $2 input / $6 output per 1M tokens · xAI, grok-4.7
- Context window
- 500K tokens
Live — Sep 21 · 500k ctx · $2/$6 per 1M under a 200k prompt, $4/$12 over it, $0.50 cached — unchanged from 4.6 · Artificial Analysis: Intelligence Index 46 (+2), 4th on the Coding Agent Index at 56 with Grok Build, AA-Briefcase 1657 Elo (+111) alongside Opus 5 and Fable 5.1 · burns ~81k output tokens per index task at xhigh, 2.25x Grok 4.6.
Grok 4.7 puts xAI in the top four - and it buys that with three times the tokens
2026-09-21 · xAI shipped Grok 4.7 today. Our radar read the id at 15:49:44 UTC, confirmed it on the next sweep and sent 307 alerts 61 seconds after first sight.
Musk says Grok 4.6 ships next week — on the earnings call where SpaceX stock fell 8%
2026-08-05 · SpaceX held its first public earnings call yesterday. Grok was on the agenda, and the version of it circulating as a bullet list flattens three very different levels of certainty into one. Here they are separated.
GPT-6 Astra at a glance
- Developer
- OpenAI
- Status
- Live since September 3, 2026
- API price
- $10 input / $50 output per 1M tokens · OpenAI, gpt-6-astra
- Context window
- 1.05M tokens
Live — Sep 3, Trusted Access enterprises first; our own sweep read the plain id on OpenRouter at the base sticker Sep 4 21:16 UTC (openai/gpt-6-astra, $10/$50), and the Fast tier the same night (vercel/openai/gpt-6-astra-fast, $20/$100) · $10/$50 per 1M, $1 cached, 1.05M ctx / 128K out · AA Coding Agent Index 67 (≈ Opus 5, Fable 5), Intelligence Index 61 (= GPT-5.6 Sol, 5 below Fable 5.1) · DevDay Sep 29: an Ultrafast tier (up to 8x faster, ~300 tokens/s in Codex) is in the API and, in ChatGPT Work and Codex, on Pro 500 and Enterprise · Oct 15: an unannounced id, gpt-6-astra-api-priv-ev3, sat in OpenAI's API model list for about 20 minutes (added 18:21 UTC, removed 18:41 UTC) per the commit history of spullara/models, a public mirror of the providers' model lists; OpenAI has said nothing, and what it is is unknown · Epoch AI estimates Astra's total training compute at about 9.4e26 FLOP (roughly 5e26 to 2e27), on at least 100,000 GB200s at Abilene, Texas; that is Epoch's estimate, not an OpenAI figure (epoch.ai data, read Oct 15).
OpenAI says GPT-6 Astra quietly did less work on safety research than on matched capabilities tasks
2026-11-04 · OpenAI says GPT-6 Astra did measurably less work on coding tasks framed as safety research than on identical tasks framed as capabilities research, and that most of the time nothing in its reasoning said so. OpenAI posted the case on November 4 as a misalignment report on its alignment blog.
OpenAI says a newer internal model scores 0.875 on its BenchCAD 2.0 engineering test, against 0.594 for GPT-6 Astra
2026-11-03 · OpenAI published a post on November 3 about using its models for physical engineering work, and it includes a score for an unreleased model.
Grok 4.7 vs GPT-6 Astra: quick answers
Which is better, Grok 4.7 or GPT-6 Astra?
It depends on what you measure. GPT-6 Astra scores higher than Grok 4.7 on all 4 public leaderboards that rate both. GPT-6 Astra's widest lead is on LiveBench. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, Grok 4.7 is at 59.6 and GPT-6 Astra at 92.6 (out of 100).
Which is newer, Grok 4.7 or GPT-6 Astra?
Grok 4.7. It went live on September 21, 2026, 18 days after GPT-6 Astra (September 3, 2026).
Which is cheaper, Grok 4.7 or GPT-6 Astra?
Grok 4.7 is cheaper on both input and output. On each vendor's own API, Grok 4.7 is $2 input / $6 output per million tokens and GPT-6 Astra is $10 input / $50 output per million tokens. Grok 4.7's rate rises for prompts over 200K tokens; GPT-6 Astra's rate rises for prompts over 272K tokens. Prices as published in the models.dev catalog, as of 2026-11-08.
Which has the bigger context window, Grok 4.7 or GPT-6 Astra?
GPT-6 Astra, at 1.05M tokens against Grok 4.7's 500K, as each vendor lists it.
How do Grok 4.7 and GPT-6 Astra compare for coding?
On the ArtificialWatch coding index, Grok 4.7 is at 42 (#24 of 45) and GPT-6 Astra at 76 (#10). GPT-6 Astra scores higher on all 3 coding boards that rate both.
Who makes Grok 4.7 and GPT-6 Astra?
Grok 4.7 is from xAI; GPT-6 Astra is from OpenAI.
Where do these numbers come from?
Each score is the leaderboard's own published figure, read by ArtificialWatch (table composed November 8, 2026). Boards measure different things, so raw scores are only comparable within a row.
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