# GPT-6 Sol vs o3

> Side-by-side benchmark comparison for GPT-6 Sol and o3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-6-sol-vs-o3
- Last updated: September 22, 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 GPT-6 Sol and o3.

## Summary

- GPT-6 Sol 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 | GPT-6 Sol | o3 |
|----------|----------|----------|
| Creator | OpenAI | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 200K |
| Independent public score (not head-to-head) | 80.45 | 47.94 |
| Benchmarks Covered | 10 | 2 |
| Pricing (input/output) | $2.00 / $10.00 | $2.00 / $8.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 69.7 (Estimated · #7/157)
- o3 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | o3 | Winner |
|-----------|-----------|-----------|--------|
| Agents' Last Exam | 56.4% | Coming soon | Coming soon |
| AutomationBench | 33.2% | Coming soon | Coming soon |
| OSWorld 2.0 | 60.5% | Coming soon | Coming soon |
| ExploitGym | 22.1% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 74.3 (Estimated · #6/159)
- o3 public-lane score: Coming soon

| Benchmark | GPT-6 Sol | o3 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 68.8% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 78.5 (#5/17)
- o3 public-lane score: 72.3 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 82.8 (Unranked · 1 rankable row)
- o3 public-lane score: 63.3 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: 80.2 (Estimated · #6/189)
- o3 public-lane score: 49.5 (Estimated · #93/189)

| Benchmark | GPT-6 Sol | o3 | Winner |
|-----------|-----------|-----------|--------|
| HealthBench (raw) | 47.1% | Coming soon | Coming soon |
| HealthBench (length-adjusted) | 53.2% | Coming soon | Coming soon |
| HealthBench Professional | 60.8% | Coming soon | Coming soon |
| HealthBench Professional (raw) | 59.5% | Coming soon | Coming soon |
| HealthBench Hard | 30.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: Coming soon
- o3 public-lane score: 86 (#34/124)

### Mathematics

- Winner: Insufficient shared evidence
- GPT-6 Sol public-lane score: Coming soon
- o3 public-lane score: 37.7 (Unranked · 2 rankable rows)

| Benchmark | GPT-6 Sol | 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 GPT-6 Sol 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

- [GPT-6 Sol vs GPT-6 Astra](/compare/gpt-6-astra-vs-gpt-6-sol)
- [o3 vs GPT-6 Astra](/compare/gpt-6-astra-vs-o3)
- [GPT-6 Sol vs GPT-6 Luna](/compare/gpt-6-luna-vs-gpt-6-sol)
- [o3 vs GPT-6 Luna](/compare/gpt-6-luna-vs-o3)

## Explore More

- [GPT-6 Sol profile](/models/gpt-6-sol)
- [o3 profile](/models/o3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)