Loading benchmark catalogue
Compare performance benchmarks, coding intelligence, reasoning evaluations, context limits, and API economics between Grok 4.7 (xAI) and Step 5 Preview (StepFun).
| Metric / Capability | Grok 4.7 | Step 5 Preview |
|---|---|---|
| Developer / Organization | xAI | StepFun |
| Release Date | 2026-09-21 | 2026-10-08 |
| Deployment / Weights | Proprietary Cloud API | Open Weights |
| Context Window | 500K tokens (500,000 tokens) | 1.0M tokens (1,048,576 tokens) |
| Input Pricing (/1M Tokens) | $2 | Free (Open Weights) |
| Output Pricing (/1M Tokens) | $6 | Free (Open Weights) |
| Benchmark / Domain | Grok 4.7 | Step 5 Preview | Advantage |
|---|---|---|---|
Artificial Analysis Intelligence Index Composite index aggregating 10+ evaluations of general reasoning and knowledge. | 46.4% | 43.7% | Grok 4.7 (+6%) |
Artificial Analysis Coding Agent Index v2.0 Composite index of coding-agent systems (model + harness) across FrontierCode v1.1, SWE-Atlas-QnA, and Terminal-Bench v4. | 46.6% | 43.1% | Grok 4.7 (+8%) |
Terminal-Bench 4.0 Sandboxed command-line tasks requiring shell and file-system operation. | 38.0% | 33.3% | Grok 4.7 (+14%) |
ARC-AGI-2 Novel visual grid puzzles requiring abstract rule induction. | 61.4% | — | — |
GPQA Diamond Graduate-level physics, chemistry, and biology questions written by domain experts. | — | 93.5% | — |
Humanity's Last Exam Expert-written questions across hundreds of disciplines designed to resist saturation. | — | 46.5% | — |
FrontierMath v2 (Tiers 1-3) Unpublished, research-level mathematics problems across Tiers 1-3. | 53.0% | — | — |
Design Arena ELO Human-preference ELO across UI, 3D, data-visualization, and game-dev generations. | 1314 | — | — |
Grok 4.7 leads across 3 evaluated benchmarks compared to 0 for Step 5 Preview, showing notable advantages in Artificial Analysis Intelligence Index, Artificial Analysis Coding Agent Index v2.0, Terminal-Bench 4.0.
Step 5 Preview has the larger context capacity of 1.0M tokens (1,048,576 tokens), compared to 500K tokens for Grok 4.7.
Step 5 Preview is more economical. Input tokens cost $Free (Open Weights)/M tokens compared to $2/M tokens for Grok 4.7.
Grok 4.7 is a proprietary cloud API. Step 5 Preview is an open-weights model.
Analyze 130+ models side-by-side using interactive radar charts, cost-efficiency quadrant plots, and live dataset filters on the full NeuBench index.
Open Interactive Comparator