# Laguna S 2.1 vs o3

> Side-by-side benchmark comparison for Laguna S 2.1 and o3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-s-2-1-vs-o3
- Last updated: September 4, 2026

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

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Laguna S 2.1 and o3.

## Summary

- Laguna S 2.1 and o3 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 | Laguna S 2.1 | o3 |
|----------|----------|----------|
| Creator | Poolside | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 200K |
| Independent public score (not head-to-head) | null | 49.13 |
| Benchmarks Covered | 6 | 2 |
| Pricing (input/output) | $0.10 / $0.20 | $2.00 / $8.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: 48.2 (Estimated · #77/151)
- o3 public-lane score: Coming soon

| Benchmark | Laguna S 2.1 | o3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | Coming soon | Coming soon |
| Toolathlon-Verified | 49.7% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: 47.8 (Estimated · #87/183)
- o3 public-lane score: 48.8 (Estimated · #83/183)

| Benchmark | Laguna S 2.1 | o3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 70.2% | Coming soon | Coming soon |
| SWE Multilingual | 78.5% | Coming soon | Coming soon |
| SWE-bench Pro | 59.4% | Coming soon | Coming soon |
| deepSwe | 40.4% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- o3 public-lane score: 63 (Unranked · 1 rankable row)

### Reasoning

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- o3 public-lane score: 73.7 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- o3 public-lane score: 50 (Estimated · #91/181)

### Instruction Following

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- o3 public-lane score: 87.1 (#33/120)

### Mathematics

- Winner: Insufficient shared evidence
- Laguna S 2.1 public-lane score: Coming soon
- o3 public-lane score: 37.8 (Unranked · 2 rankable rows)

| Benchmark | Laguna S 2.1 | o3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 18.685% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 2.083% | Coming soon |

## FAQ

### Can I compare Laguna S 2.1 and o3 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

- [Laguna S 2.1 vs Laguna M.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [o3 vs Laguna M.1](/compare/laguna-m-1-vs-o3)
- [Laguna S 2.1 vs Laguna XS.2](/compare/laguna-s-2-1-vs-laguna-xs-2)
- [o3 vs Laguna XS.2](/compare/laguna-xs-2-vs-o3)

## Explore More

- [Laguna S 2.1 profile](/models/laguna-s-2-1)
- [o3 profile](/models/o3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)