xAI · model passport
SpaceXAI: Grok 4.6
grok-4-6- Cloud only
- Proprietary licence
- 500,000 context
- Released 2026-09-13(first seen on LMArena)
- Overall · LMArena
- 1,454#64 of 396
- Best percentile
- 95.5GPQA Diamond
- Cohort standing
- 70.7median 60.4
What the data says
Benchmarked on 15 of 27 tracked axes. Every figure below is the model's own published result on that board.
Strongest axes
- 95.5 pct — GPQA Diamond (94.0%)
- 93.1 pct — SimpleBench (75.9%)
- 92.5 pct — AIME (math) (99.2%)
Uneven: 60.7 percentile points between its best and worst axis — 95.5 pct on GPQA Diamond versus 34.8 pct on Terminal-Bench 4.0.
- GPQA Diamond95.5 pct94.0%Verify →
- SimpleBench93.1 pct75.9%Verify →
- AIME (math)92.5 pct99.2%Verify →
- Coding86.4 pct1,509Verify →
- Instruction following86.4 pct1,451Verify →
- Hard prompts85.9 pct1,480Verify →
- WebDev Arena84.9 pct1,617Verify →
- Overall84.1 pct1,454Verify →
- Vision Arena75.3 pct1,262Verify →
- ARC-AGI-275.3 pct67.1%Verify →
- SimpleQA Verified65.9 pct49.3%Verify →
- Factuality Arena64 pct1,448Verify →
- Document Arena50 pct1,461Verify →
- Agent Arena49.1 pct0.009Verify →
- Terminal-Bench 4.034.8 pct20.3%Verify →
- Search ArenaNot benchmarked
- FrontierMathNot benchmarked
- Humanity's Last ExamNot benchmarked
- LiveBenchNot benchmarked
- BFCL v4 (function calling)Not benchmarked
- SWE-bench Verified (live board)Not benchmarked
- MMLU-Pro (Artificial Analysis)Not benchmarked
- LiveCodeBench (Artificial Analysis)Not benchmarked
- IFBench (Artificial Analysis)Not benchmarked
- HHEM Hallucination (Vectara)Not benchmarked
- SWE-bench VerifiedNot benchmarked
- Terminal-BenchNot benchmarked
Percentiles are the model's standing within each board's own population. Axes marked "not benchmarked" have no published result for this model — that is an absence of data, not a low score.
How to run it
Use it hosted
x-ai/grok-4.6API parameters this endpoint supports
Example request
curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"x-ai/grok-4.6","messages":[{"role":"user","content":"Hello"}]}'Identifiers, limits and prices are synced from the upstream source shown above. Any field we haven't synced is left out entirely rather than guessed.
grok-4.6-high stands at 70.7 (raw mean 74.9) — measured on 15 of 27 axes.
grok-4.6-high stands at 70.7 versus a cohort median of 60.4 across 175 models released within 180 days — above the peer median.
grok-4.6-high scores at percentile 95.5 on GPQA Diamond.
grok-4.6-high scores at percentile 93.1 on SimpleBench.
grok-4.6-high ranks between #15 and #52 across 6 built-in weightings — best under "Reasoning", worst under "Conversation-first".
Every claim is a computed fact from the current board data, phrased by a low-temperature model call and rejected by a validation gate if any number is not in the source row. How the leaderboards work →