Cohere · open weights on Arena · first on Arena 9 April 2024

command-r-plus

125 days for open weights to match gpt-4-0314

This open-weights model matched the score of gpt-4-0314 in Text 125 days after gpt-4-0314 took first place.

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.

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Cite

This page

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

BibTeX

@misc{hawkins2026frontiercommandrplus,
  author = {Hawkins, Jesse},
  title = {{command-r-plus · Frontier}},
  year = {2026},
  howpublished = {\url{https://jesseahawkins.com/frontier/command-r-plus/}},
  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.

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Text: best place 5

last on the board 15 October 2026

1st10th100th

On the board: 9 April 2024 to 15 October 2026
Score: 1204 (1200–1208) on 15 October 2026 · 77,554 votes
Matched: gpt-4-0314 on 9 April 2024, 125 days after it took first place

Not in Epoch AI’s benchmark data

No model in Epoch AI’s list is the same release as this Arena name.

When each vendor retires it

every model’s dates

Amazon Bedrock 19 Aug 2026 cohere.command-r-plus-v1:0 · 181 days’ notice, from the deprecation on 19 Feb 2026

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.