Model comparison
Chatgpt 4o Latest 20250326 vs DeepSeek-V2.5 (Sep 2024)
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 37.6 on the Noometry Index.
Last verified . 17 shared benchmarks.
DeepSeekSummary
- They share 17 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 8 categories and DeepSeek-V2.5 (Sep 2024) in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Chatgpt 4o Latest 20250326 leads 62.6 to 49.8.
- DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) | |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Noometry Index | 43.8 | 37.6 |
| Released | — | 2024-09-06 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 21 | 22 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), DeepSeek-V2.5 (Sep 2024): 31.7 (#281)
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Coding | 1413 | 1309 |
| Aider Polyglot | — | 17.8% |
| BigCodeBench Instruct | — | 48.6% |
| BigCodeBench Complete | — | 53.2% |
| HumanEval+ | — | 83.5% |
| MBPP+ | — | 74.1% |
Reasoning Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 33.8 (#71), DeepSeek-V2.5 (Sep 2024): 25.6 (#145)
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1289 |
| Kagi LLM Benchmark | 75% | — |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), DeepSeek-V2.5 (Sep 2024): 35.9 (#177)
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Math | 1407 | 1288 |
Knowledge Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 39.2 (#137), DeepSeek-V2.5 (Sep 2024): 34.8 (#193)
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Expert | 1401 | 1266 |
| Confabulations | 16.6% | — |
Multimodal Not comparable
Chatgpt 4o Latest 20250326: 39.6 (#58), DeepSeek-V2.5 (Sep 2024): —
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Vision | 1243 | — |
Multilingual Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 52.9 (#76), DeepSeek-V2.5 (Sep 2024): 42.5 (#193)
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Non-English | 1419 | 1273 |
| LMArena Chinese | 1457 | 1318 |
| LMArena French | 1446 | 1289 |
| LMArena German | 1423 | 1258 |
| LMArena Japanese | 1405 | 1228 |
| LMArena Korean | 1396 | 1209 |
| LMArena Russian | 1429 | 1289 |
| LMArena Spanish | 1434 | 1248 |
Instruction Following Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 74.0 (#107), DeepSeek-V2.5 (Sep 2024): 67.5 (#194)
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Instruction Following | 1403 | 1280 |
Long Context Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 43.1 (#107), DeepSeek-V2.5 (Sep 2024): 39.5 (#174)
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Longer Query | 1413 | 1301 |
Writing & Preference Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 62.6 (#72), DeepSeek-V2.5 (Sep 2024): 49.8 (#187)
| Benchmark | Chatgpt 4o Latest 20250326 | DeepSeek-V2.5 (Sep 2024) |
|---|---|---|
| LMArena Text | 1429 | 1294 |
| LMArena Creative Writing | 1405 | 1285 |
| LMArena Multi-Turn | 1454 | 1297 |
| EQ-Bench Creative Writing | 1501 | — |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than DeepSeek-V2.5 (Sep 2024)?
Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 37.6 on the Noometry Index.
Is Chatgpt 4o Latest 20250326 or DeepSeek-V2.5 (Sep 2024) better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 31.7 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and DeepSeek-V2.5 (Sep 2024) share?
17 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and DeepSeek-V2.5 (Sep 2024) has 22.