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Step 5 Preview
Gemini 1.5 Pro
Gemini 1.5 Pro is a proprietary model from Google. It ranks #239 of 351 on the LMArena text leaderboard with a rating of 1319.
- Developer
- Google DeepMind
- Released
- Oct 20, 2026
- Context window
- —
- Price in / out, per 1M tokens
- —
- Weights
- Proprietary
- Inputs
- —
- Reasoning
- —
- Tool use
- —
Benchmarks
| Benchmark | Score bar | Accuracy | Rank | Cost / test |
|---|---|---|---|---|
| LiveCodeBenchCoding | 41.72% | 129 / 143 | $1.25 / $5 | |
| MedQAMedicine | 76.53% | 75 / 92 | $1.25 / $5 | |
| GPQA DiamondReasoning | 58.33% | 114 / 138 | $1.25 / $5 | |
| MMLU-ProReasoning | 75.29% | 112 / 138 | $1.25 / $5 | |
| AIMEReasoning | 18.75% | 81 / 96 | $1.25 / $5 | |
| MMMUReasoning | 65.51% | 75 / 93 | $1.25 / $5 |
Vals AI, as of Oct 24, 2026.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1319 | 239 / 351 | 55.6K |
| CodingLMArena | 1294 | 263 / 346 | 9.2K |
| MathLMArena | 1315 | 230 / 339 | 7.6K |
| Creative writingLMArena | 1332 | 190 / 349 | 8.1K |
| Instruction followingLMArena | 1297 | 242 / 351 | 22.8K |
| Hard promptsLMArena | 1296 | 250 / 351 | 14.9K |
| Multi-turnLMArena | 1296 | 251 / 349 | 10.1K |
| Long queriesLMArena | 1308 | 243 / 330 | 8.4K |
| ExpertLMArena | 1279 | 242 / 305 | 3.3K |
| Legal and governmentIndustries | 1328 | 229 / 325 | 3.3K |
| Medicine and healthcareIndustries | 1306 | 242 / 325 | 2.7K |
| Business and financeIndustries | 1286 | 249 / 344 | 6.4K |
| ChineseLanguages | 1331 | 231 / 328 | 4.4K |
| SpanishLanguages | 1311 | 213 / 249 | 405 |
| GermanLanguages | 1286 | 206 / 261 | 1.3K |
| FrenchLanguages | 1302 | 217 / 252 | 459 |
| JapaneseLanguages | 1292 | 166 / 236 | 1.2K |
| VisionLMArena | 1161 | 114 / 146 | 8.9K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown (Gemini 1.5 Pro (002), Gemini 1.5 Pro (001)).
Compare Gemini 1.5 Pro
Google DeepMind
Google’s AI lab, behind Gemini and the open Gemma family, with very long context and native multimodality. Founded 2010 (DeepMind), merged with Google Brain in 2023, based in London. deepmind.google
Questions
Who makes Gemini 1.5 Pro?
Gemini 1.5 Pro is made by Google DeepMind, founded 2010 (DeepMind), merged with Google Brain in 2023 and based in London.
How does Gemini 1.5 Pro rank?
#239 of 351 on LMArena’s text leaderboard, rated 1319 (95% interval 1316–1323) from 55,606 votes, as of Oct 22, 2026.
Is Gemini 1.5 Pro open source?
No. Gemini 1.5 Pro is proprietary and served through its provider’s API.