Model comparison
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.
Last verified . 0 shared benchmarks.
Technology Innovation InstituteSummary
- Falcon-180B has downloadable open weights; the other is API-only.
Side by side
| Falcon-180B | GPT-5.1-Codex | |
|---|---|---|
| Provider | Technology Innovation Institute | OpenAI |
| Noometry Index | 32.2 | 38.6 |
| Released | 2023-09-06 | 2025-11-12 |
| Weights | Open | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $1.25 |
| Output $ / M tokens | — | $10 |
| Results tracked | 16 | 6 |
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Category by category
Coding Not comparable
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 Not comparable
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 Not comparable
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 Not comparable
Falcon-180B: —, GPT-5.1-Codex: 30.3 (#235)
| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| ProofBench | — | 9% |
| GSM8K | 54.4% | — |
Knowledge Not comparable
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 Not comparable
Falcon-180B: 25.2 (#286), GPT-5.1-Codex: —
| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| LMArena Non-English | 1000 | — |
Instruction Following Not comparable
Falcon-180B: 53.4 (#286), GPT-5.1-Codex: —
| Benchmark | Falcon-180B | GPT-5.1-Codex |
|---|---|---|
| LMArena Instruction Following | 1047 | — |
Writing & Preference Not comparable
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 | — |
Frequently asked questions
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.