# GPT-5.5 Instant vs Palm 2

> GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-5-instant-vs-palm-2
- Last updated: 2026-10-10
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. GPT-5.5 Instant scores higher in 6 categories and Palm 2 in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.5 Instant leads 62.0 to 25.7.

## Snapshot

| | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| Provider | OpenAI | Google |
| Noometry Index | 42.5 | 29.4 |
| Rank | 99 | 296 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- GPT-5.5 Instant: 43.7 (#73)
- Palm 2: 28.5 (#306)

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| LMArena Coding | 1433 | 995 |
| SciCode | 48.6% | — |

## Reasoning

- GPT-5.5 Instant: 24.2 (#149)
- Palm 2: 18.2 (#270)

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| LMArena Hard Prompts | 1426 | 1005 |
| CritPt | 0% | — |
| Chess Puzzles | 12% | — |
| Epoch Capabilities Index | 142.48 | — |

## Math

- GPT-5.5 Instant: 26.1 (#241)
- Palm 2: 28.4 (#229)

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| LMArena Math | 1420 | 1049 |
| FrontierMath (Tiers 1-3) | 26.3% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.1% | — |

## Knowledge

- GPT-5.5 Instant: 48.9 (#68)
- Palm 2: —

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| GPQA Diamond | 82.5% | — |
| LMArena Expert | 1409 | — |

## Multimodal

- GPT-5.5 Instant: 39.3 (#48)
- Palm 2: —

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| LMArena Vision | 1250 | — |
| LMArena Document | 1403 | — |

## Multilingual

- GPT-5.5 Instant: 53.0 (#76)
- Palm 2: 21.1 (#290)

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| LMArena Non-English | 1417 | 916 |
| LMArena Chinese | 1457 | 887 |
| LMArena French | 1428 | — |
| LMArena German | 1410 | — |
| LMArena Japanese | 1408 | — |
| LMArena Korean | 1393 | — |
| LMArena Russian | 1430 | — |
| LMArena Spanish | 1430 | — |

## Instruction Following

- GPT-5.5 Instant: 74.4 (#94)
- Palm 2: 51.3 (#291)

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| LMArena Instruction Following | 1407 | 1010 |

## Long Context

- GPT-5.5 Instant: 43.4 (#92)
- Palm 2: 30.7 (#280)

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| LMArena Longer Query | 1422 | 1010 |

## Writing & Preference

- GPT-5.5 Instant: 62.0 (#81)
- Palm 2: 25.7 (#299)

| Benchmark | GPT-5.5 Instant | Palm 2 |
|---|---|---|
| LMArena Text | 1419 | 1027 |
| LMArena Creative Writing | 1420 | 991 |
| LMArena Multi-Turn | 1434 | 994 |

## FAQ

### Is GPT-5.5 Instant better than Palm 2?

GPT-5.5 Instant is the stronger model overall, scoring 42.5 to 29.4 on the Noometry Index.

### Is GPT-5.5 Instant or Palm 2 better for coding?

GPT-5.5 Instant scores higher on coding benchmarks: 43.7 versus 28.5 in the Noometry coding category.

### How many benchmarks do GPT-5.5 Instant and Palm 2 share?

10 benchmarks have published results for both models. GPT-5.5 Instant has 27 scored results on Noometry and Palm 2 has 10.