# 1-bit Bonsai 8B vs GPT-5.1

> Side-by-side benchmark comparison for 1-bit Bonsai 8B and GPT-5.1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/bonsai-8b-vs-gpt-5-1
- 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 1-bit Bonsai 8B and GPT-5.1.

## Summary

- 1-bit Bonsai 8B and GPT-5.1 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 | 1-bit Bonsai 8B | GPT-5.1 |
|----------|----------|----------|
| Creator | Prism ML | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 64K | 200K |
| Independent public score (not head-to-head) | null | 58.17 |
| Benchmarks Covered | 0 | 4 |
| Pricing (input/output) | $0.00 / $0.00 | $1.25 / $10.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- 1-bit Bonsai 8B public-lane score: Coming soon
- GPT-5.1 public-lane score: Coming soon

| Benchmark | 1-bit Bonsai 8B | GPT-5.1 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | Coming soon | 41.24% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- 1-bit Bonsai 8B public-lane score: Coming soon
- GPT-5.1 public-lane score: 38.9 (Supported · #65/143)

| Benchmark | 1-bit Bonsai 8B | GPT-5.1 | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | Coming soon | 24.61% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- 1-bit Bonsai 8B public-lane score: Coming soon
- GPT-5.1 public-lane score: 77.3 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- 1-bit Bonsai 8B public-lane score: Coming soon
- GPT-5.1 public-lane score: 72.3 (Unranked · 1 rankable row)

### Knowledge

- Winner: Insufficient shared evidence
- 1-bit Bonsai 8B public-lane score: Coming soon
- GPT-5.1 public-lane score: 52 (Estimated · #59/169)

### Instruction Following

- Winner: Insufficient shared evidence
- 1-bit Bonsai 8B public-lane score: Coming soon
- GPT-5.1 public-lane score: 87.9 (#27/124)

### Mathematics

- Winner: Insufficient shared evidence
- 1-bit Bonsai 8B public-lane score: Coming soon
- GPT-5.1 public-lane score: 49 (Unranked · 2 rankable rows)

| Benchmark | 1-bit Bonsai 8B | GPT-5.1 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 31.034% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 12.500% | Coming soon |

## FAQ

### Can I compare 1-bit Bonsai 8B and GPT-5.1 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

- [1-bit Bonsai 8B vs 1-bit Bonsai 27B](/compare/bonsai-27b-vs-bonsai-8b)
- [GPT-5.1 vs 1-bit Bonsai 27B](/compare/bonsai-27b-vs-gpt-5-1)
- [1-bit Bonsai 8B vs 1-bit Bonsai 1.7B](/compare/bonsai-1-7b-vs-bonsai-8b)
- [GPT-5.1 vs 1-bit Bonsai 1.7B](/compare/bonsai-1-7b-vs-gpt-5-1)

## Explore More

- [1-bit Bonsai 8B profile](/models/bonsai-8b)
- [GPT-5.1 profile](/models/gpt-5-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)