Auditable source history

Leaderboard changes & version history

See what moved, what first appeared, and how exact model versions differ—without mixing sources or inventing missing data.
Change data is source-specific

Rank movement is calculated only between comparable LMArena Text Style Control overall snapshots. Artificial Analysis and LiveBench remain current-only until OpenGPT has verified historical snapshots for those sources.

This month

Fastest risergpt 5.5Up 1 place
First appeared in this ranking11First appearance is not an official product release date.
Comparable rank changes362367 / 378
Historical snapshots24Jul 26, 2026
Fastest riserFirst appeared in this ranking

Fastest riser

  1. gpt 5.5openaiUp 1 place · 1716

Compared with Jun 25, 2026

Rank movement

Exact publisher record IDs are compared. New entries are not treated as rising from zero and can push existing records down, so a lower rank does not prove lower model quality.

379

Exact publisher record IDs are compared. New entries are not treated as rising from zero and can push existing records down, so a lower rank does not prove lower model quality.
Model recordProviderPreviousCurrentChangeRating change
claude fable 5anthropic11No rank change-0.86
claude opus 4 6 thinkinganthropic22No rank change+1.75
claude opus 4 7 thinkinganthropic33No rank change-0.26
claude opus 4 6anthropic44No rank change-1.31
muse spark 1.1meta5First appeared in this snapshot
claude opus 4 7anthropic56Down 1 place-0.14
muse sparkmeta67Down 1 place+0.27
gemini 3.1 pro previewgoogle78Down 1 place-0.27
gemini 3 progoogle89Down 1 place-0.06
kimi k3moonshot10First appeared in this snapshot
gpt 5.6 sol xhighopenai11First appeared in this snapshot
gemini 3.6 flashgoogle12First appeared in this snapshot
claude opus 4 8 thinkinganthropic913Down 4 places-0.13
gpt 5.5 highopenai1014Down 4 places+0.47
gpt 5.4 highopenai1215Down 3 places+0.03
gpt 5.5openai1716Up 1 place+1.50
gemini 3.5 flash highgoogle17First appeared in this snapshot
gpt 5.2 chat latest 20260210openai1418Down 4 places+0.18
qwen3.7 max previewalibaba1619Down 3 places+0.31
grok 4.20 beta1xai1820Down 2 places-0.10
gemini 3.5 flash mediumgoogle21First appeared in this snapshot
claude opus 4 8anthropic1122Down 11 places-5.62
gpt 5.5 instantopenai2223Down 1 place+0.82
grok 4.20 beta 0309 reasoningxai1524Down 9 places-2.33
gemini 3 flashgoogle2025Down 5 places-0.11
claude opus 4 5 20251101 thinking 32kanthropic2126Down 5 places+0.02
claude sonnet 4 6anthropic2327Down 4 places+0.33
grok 4.20 multi agent beta 0309xai2428Down 4 places-0.14
glm 5.1zai1929Down 10 places-3.77
glm 5.2 (max)zai2530Down 5 places-0.67
Why only one ranking has movement data

The current June and July LMArena snapshots use the same documented method epoch. Earlier archive periods are labeled separately. OpenGPT has not frozen a comparable prior edition for the other ranking sources, so no movement is shown for them.

Version differencesCompare two catalog model IDs from one model family. Provider IDs, sources and published ranking signals are shown; OpenGPT catalog classification is labeled separately.
Claude Fable 5 / Claude Opus 4.7
Version differencesClaude Fable 5Claude Opus 4.7
Official model IDclaude-fable-5claude-opus-4-7
Directory statusGeneral availabilityGeneral availability
OpenGPT catalog roleFlagshipPrevious
Current public ranking signalsUser preference 1 · 1507 · Intelligence index 3 · 62 · Objective tasks 1 · 83.4User preference 6 · 1494
Provider sourceAnthropicAnthropic
Model detailsModel detailsModel details

No verified feature-difference data is available. OpenGPT does not infer speed, price, context length, or quality.

Historical snapshotsOne frozen source snapshot is preserved for each calendar month. The manifest publishes a SHA-256 file check, and the generator refuses silent replacement.
Original dataset
One frozen source snapshot is preserved for each calendar month. The manifest publishes a SHA-256 file check, and the generator refuses silent replacement.
MonthSource publicationMethod epochEntriesFile checkDownload JSON
July 2026 CurrentMethod epoch 337830a2b9915774Download JSON
June 2026 Method epoch 3368a06ed961a983Download JSON
May 2026 Method epoch 3360057c9e12679bDownload JSON
April 2026 Method epoch 3354dca5faa06859Download JSON
March 2026 Method epoch 3336c258a21cfd6fDownload JSON
February 2026 Method epoch 33194f21abee9ac0Download JSON
January 2026 Method epoch 3302b252f774df59Download JSON
December 2025 Method epoch 329175a5e543c2b0Download JSON
November 2025 Method epoch 3276cf161eb704e7Download JSON
October 2025 Method epoch 3259f9589f5985c3Download JSON
September 2025 Method epoch 3248ba97765955d4Download JSON
August 2025 Method epoch 323828fbbd1445b0Download JSON

Earlier records were imported later from LMArena’s official full-history dataset. They are source snapshots, not OpenGPT editions claimed to have been published at those earlier dates.