Google · proprietary on Arena · first on Arena 24 June 2025

gemini-2.5-pro

290 days in first place

It held first place on Arena in Text (145 days) and Vision (145 days).

Embed

Who held first place

<iframe src="https://jesseahawkins.com/frontier/embed/" title="Frontier: who held first place on each Arena leaderboard, and for how long" width="100%" height="560" style="border:0;max-width:100%" loading="lazy"></iframe>

Credits LMArena.

The open-weights catch-up

<iframe src="https://jesseahawkins.com/frontier/embed/catch-up/" title="Frontier: the days until open weights matched each closed leader" width="100%" height="900" style="border:0;max-width:100%" loading="lazy"></iframe>

Credits LMArena.

The saturation clock

<iframe src="https://jesseahawkins.com/frontier/embed/clock/" title="Frontier: the days from each benchmark’s release to a model at 90%" width="100%" height="640" style="border:0;max-width:100%" loading="lazy"></iframe>

Credits Epoch AI.

Each frame links back to its page. Preview it.

Cite

This page

Jesse Hawkins, “gemini-2.5-pro · Frontier”, jesseahawkins.com, data retrieved 30 Oct 2026. https://jesseahawkins.com/frontier/gemini-2-5-pro/. Data: LMArena, Arena leaderboard dataset, revision 4491b06, CC BY 4.0; Epoch AI, Capabilities & benchmarking, CC BY 4.0.

BibTeX

@misc{hawkins2026frontiergemini25pro,
  author = {Hawkins, Jesse},
  title = {{gemini-2.5-pro · Frontier}},
  year = {2026},
  howpublished = {\url{https://jesseahawkins.com/frontier/gemini-2-5-pro/}},
  note = {Data: LMArena, Arena leaderboard dataset, revision 4491b06, CC BY 4.0; Epoch AI, Capabilities \& benchmarking, CC BY 4.0, retrieved 2026-10-30}
}

Arena · LMArena

LMArena, "Arena leaderboard dataset", Hugging Face, revision 4491b06. https://huggingface.co/datasets/lmarena-ai/leaderboard-dataset. CC BY 4.0.

Benchmarks · Epoch AI

Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource]. CC BY 4.0.

Download

Post on X

Text: 145 days in first place

place 43 of 419 on 28 October 2026

1st10th

On the board: 24 June 2025 to 28 October 2026, the newest snapshot
Score: 1458 (1455–1460) on 28 October 2026 · 125,307 votes
First place: 24 June 2025 to 16 November 2025 · 145 days
Catch-up: Open weights matched it on 7 April 2026, 287 days after it first took first place: glm-5.1.

WebDev: best place 7

place 145 of 152 on 28 October 2026

1st10th100th

On the board: 12 November 2025 to 28 October 2026, the newest snapshot
Score: 1226 (1210–1242) on 28 October 2026 · 2,724 votes

Vision: 145 days in first place

place 51 of 167 on 19 October 2026

1st10th

On the board: 24 June 2025 to 19 October 2026, the newest snapshot
Score: 1263 (1259–1268) on 19 October 2026 · 88,755 votes
First place: 24 June 2025 to 16 November 2025 · 145 days
Catch-up: Open weights matched it on 29 January 2026, 219 days after it first took first place: kimi-k2.5-thinking.

Epoch AI: Gemini 2.5 Pro (Jun 2025)

released 5 June 2025 · API access

FrontierMath-2025-02-28-Private 14.1%
FrontierMath-Tier-4-2025-07-01-Private 4.2%
FrontierMath-Tier-4-v2-Private 0.0%
FrontierMath-Tiers-1-3-v2-Private 24.6%
GPQA diamond 85.3%
OTIS Mock AIME 2024-2025 84.7%
SWE-Bench verified 57.6%

When each vendor retires it

every model’s dates

Google’s Gemini API no date given gemini-2.5-pro
Google’s Vertex AI 20 Oct 2026 gemini-2.5-pro

Sources

Arena scores come from people voting between two anonymous answers. First place is the highest score; the top two are often within each other’s margin of error. LMArena, Arena leaderboard dataset, revision 4491b06, retrieved 30 October 2026; Epoch AI, Capabilities & benchmarking, retrieved 30 October 2026. Both CC BY 4.0. Retirement dates: each vendor’s own deprecation page, quoted and kept, listed with the record.