# Falcon-180B vs GPT-5.1-Codex

> GPT-5.1-Codex is the stronger model overall, scoring 38.6 to 32.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/falcon-180b-vs-gpt-5-1-codex
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- Falcon-180B has downloadable open weights; the other is API-only.

## Snapshot

| | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| Provider | Technology Innovation Institute | OpenAI |
| Noometry Index | 32.2 | 38.6 |
| Rank | 260 | 186 |
| Context | — | 400K |
| Input $/M | — | $1.25 |
| Output $/M | — | $10 |
| Weights | Open | Proprietary |

## Coding

- Falcon-180B: —
- GPT-5.1-Codex: 41.9 (#116)

| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| SWE-bench Verified (bash only) | — | 66% |
| LMArena WebDev | — | 1337 |
| ALE-Bench | — | 1,245 |

## Agentic & Tool Use

- Falcon-180B: —
- GPT-5.1-Codex: 38.0 (#33)

| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| Terminal-Bench | — | 60.4% |
| METR Time Horizons | — | 70.8% |

## Reasoning

- Falcon-180B: 19.1 (#269)
- GPT-5.1-Codex: —

| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| LMArena Hard Prompts | 1007 | — |
| Epoch Capabilities Index | 112.13 | — |
| HellaSwag | 89% | — |
| LAMBADA | 79.8% | — |
| PIQA | 84.9% | — |
| WinoGrande | 87.1% | — |

## Math

- Falcon-180B: —
- GPT-5.1-Codex: 30.3 (#235)

| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| ProofBench | — | 9% |
| GSM8K | 54.4% | — |

## Knowledge

- Falcon-180B: —
- GPT-5.1-Codex: —

| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| ARC (AI2) Challenge | 67.8% | — |
| BoolQ | 89% | — |
| MMLU | 70.6% | — |
| OpenBookQA | 64.2% | — |

## Multilingual

- Falcon-180B: 25.2 (#286)
- GPT-5.1-Codex: —

| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| LMArena Non-English | 1000 | — |

## Instruction Following

- Falcon-180B: 53.4 (#286)
- GPT-5.1-Codex: —

| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| LMArena Instruction Following | 1047 | — |

## Writing & Preference

- Falcon-180B: 29.1 (#295)
- GPT-5.1-Codex: —

| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| LMArena Text | 1054 | — |
| LMArena Creative Writing | 1089 | — |
| LMArena Multi-Turn | 1013 | — |

## FAQ

### Is Falcon-180B better than GPT-5.1-Codex?

GPT-5.1-Codex is the stronger model overall, scoring 38.6 to 32.2 on the Noometry Index.

### How many benchmarks do Falcon-180B and GPT-5.1-Codex share?

0 benchmarks have published results for both models. Falcon-180B has 16 scored results on Noometry and GPT-5.1-Codex has 6.