Wednesday, April 15, 2026

Merged timeline of 501 items — blog publish times and listing timestamps, cut at midnight UTC. Page 8 of 11.

← 2026-04-14 2026-04-16 →Calendar

OpenAI

gpt-5.2-search-non-reasoning

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMPrinceton

gemma-2-9b-it-simpo

Princeton · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.2-high

OpenAI · 3 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemini-advanced-0514

Google · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMZ.ai

glm-5

Z.ai · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.1

OpenAI · 4 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.4-medium (codex-harness)

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMZ.ai

glm-4.5-air

Z.ai · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.4-high (codex-harness)

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMZ.ai

glm-4.5

Z.ai · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemini-3-pro-grounding

Google · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMZ.ai

glm-4.7-flash

Z.ai · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemini-3-pro-image-preview (nano-banana-pro)

Google · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-image-1-mini

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.3-chat-latest

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-image-1

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.4-search

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.2-chat-latest-20260210

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.2-codex

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.4-nano-high

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.2-search

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-4-0613

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5-chat

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-4-0314

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.1-codex

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemini-3.1-pro-preview

Google · 4 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.3-codex (codex-harness)

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.4-high

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.4

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-4.5-preview-2025-02-27

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemma-7b-it

Google · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-4-0125-preview

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.1-medium

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.1-high

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5-mini-high

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMZhipu

glm-4-plus-0111

Zhipu · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemini-2.5-pro

Google · 4 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-4o-mini-2024-07-18

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5-high

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemma-3n-e4b-it

Google · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemma-4-26b-a4b

Google · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMZhipu AI

glm-4-plus

Zhipu AI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-4o-2024-08-06

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.1-search

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5-medium

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemma-4-31b

Google · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5.1-codex-mini

OpenAI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMZhipu AI

glm-4-0520

Zhipu AI · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMOpenAI

gpt-5-nano-high

OpenAI · 2 Arena leaderboards

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

LLMGoogle

gemini-3.1-pro-grounding

Google · 1 Arena leaderboard

by Yash @ Explainx0 comments

listed Apr 15, 08:53 UTC

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