# Grok Code Fast 1 vs o3-pro

> Side-by-side benchmark comparison for Grok Code Fast 1 and o3-pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/grok-code-fast-1-vs-o3-pro
- Last updated: September 29, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Grok Code Fast 1 and o3-pro.

## Summary

- Grok Code Fast 1 and o3-pro do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Grok Code Fast 1 | o3-pro |
|----------|----------|----------|
| Creator | xAI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 256K | 200K |
| Independent public score (not head-to-head) | 31.94 | 47.13 |
| Benchmarks Covered | 2 | 0 |
| Pricing (input/output) | $0.20 / $1.50 | $20.00 / $80.00 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: 21.5 (Estimated · #119/143)
- o3-pro public-lane score: Coming soon

| Benchmark | Grok Code Fast 1 | o3-pro | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 70.8% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 62.0% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: 58.7 (Unranked · 2 rankable rows)
- o3-pro public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: 36 (Estimated · #112/169)
- o3-pro public-lane score: Coming soon

### Instruction Following

- Winner: Insufficient shared evidence
- Grok Code Fast 1 public-lane score: 46.8 (#87/124)
- o3-pro public-lane score: Coming soon

## FAQ

### Can I compare Grok Code Fast 1 and o3-pro on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Grok Code Fast 1 vs o3](/compare/grok-code-fast-1-vs-o3)
- [o3-pro vs o3](/compare/o3-vs-o3-pro)
- [Grok Code Fast 1 vs o3-mini](/compare/grok-code-fast-1-vs-o3-mini)
- [o3-pro vs o3-mini](/compare/o3-mini-vs-o3-pro)

## Explore More

- [Grok Code Fast 1 profile](/models/grok-code-fast-1)
- [o3-pro profile](/models/o3-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)