# Celeris-1 Decision vs Grok 4.1 Fast

> Side-by-side benchmark comparison for Celeris-1 Decision and Grok 4.1 Fast across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/celeris-1-decision-vs-grok-4-1-fast
- Last updated: October 9, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Celeris-1 Decision and Grok 4.1 Fast.

## Summary

- Celeris-1 Decision and Grok 4.1 Fast 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 | Celeris-1 Decision | Grok 4.1 Fast |
|----------|----------|----------|
| Creator | Celeris | xAI |
| Type | Proprietary | Proprietary |
| Reasoning | Unspecified | Non-Reasoning |
| Context | null | 1M |
| Independent public score (not head-to-head) | null | 36.37 |
| Benchmarks Covered | 0 | 1 |
| Pricing (input/output) | $0.04 / $0.00 | $0.20 / $0.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Celeris-1 Decision public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: Coming soon

| Benchmark | Celeris-1 Decision | Grok 4.1 Fast | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | Coming soon | 47.32% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Celeris-1 Decision public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: 43.7 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Celeris-1 Decision public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: 32.5 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- Celeris-1 Decision public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: 30.5 (Estimated · #138/174)

### Instruction Following

- Winner: Insufficient shared evidence
- Celeris-1 Decision public-lane score: Coming soon
- Grok 4.1 Fast public-lane score: 40.4 (#101/125)

## FAQ

### Can I compare Celeris-1 Decision and Grok 4.1 Fast 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

- [Celeris-1 Decision vs Grok 4.1 Fast (Reasoning)](/compare/celeris-1-decision-vs-grok-4-1-fast-reasoning)
- [Grok 4.1 Fast vs Grok 4.1 Fast (Reasoning)](/compare/grok-4-1-fast-vs-grok-4-1-fast-reasoning)
- [Celeris-1 Decision vs Claude Opus 5.5](/compare/celeris-1-decision-vs-claude-opus-5-5)
- [Grok 4.1 Fast vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-grok-4-1-fast)

## Explore More

- [Celeris-1 Decision profile](/models/celeris-1-decision)
- [Grok 4.1 Fast profile](/models/grok-4-1-fast)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)