ToneBench

Towards AI · 2026-08-14-10-task · Blind, panel-scored writing benchmark across a fixed set of real editorial scripts.

Model Ranking

Source
#1Claude Opus 5Anthropic90.37points2,83250Claude Opus 5 (max effort)average per caseOriginal sourcewinner eligibleThird-party benchmark
#2Claude Fable 5Anthropic90.35points14,13250Claude Fable 5 (max effort + 4.8 fallback)average per caseOriginal sourcewinner eligibleThird-party benchmark
#3Kimi-K3Moonshot AI89.26points15,41850Kimi K3average per caseOriginal sourcewinner eligibleThird-party benchmark
#4GPT-5.6 SolOpenAI88.47points3,47050GPT-5.6 Sol (high)average per caseOriginal sourcewinner eligibleThird-party benchmark
#5Grok 4.6xAI88.14points15,28850Grok 4.6 (high)average per caseOriginal sourcewinner eligibleThird-party benchmark
#6Claude Opus 4.8Anthropic88.09points13,47650Claude Opus 4.8 (max effort)average per caseOriginal sourcewinner eligibleThird-party benchmark
#7GPT-5.6 TerraOpenAI86.97points2,68850GPT-5.6 Terra (ultra)average per caseOriginal sourcewinner eligibleThird-party benchmark
#8GPT-5.6 LunaOpenAI84.80points2,96250GPT-5.6 Luna (ultra)average per caseOriginal sourcewinner eligibleThird-party benchmark
#9Qwen3.8-MaxQwen83.35points20,92950Qwen3.8 Maxaverage per caseOriginal sourcewinner eligibleThird-party benchmark
#10Gemini 3.1 ProGoogle DeepMind80.16points8,03350Gemini 3.1 Pro (default)average per caseOriginal sourcewinner eligibleThird-party benchmark
#11Gemini 3.7 FlashGoogle DeepMind78.90points5,27050Gemini 3.7 Flash (default)average per caseOriginal sourcewinner eligibleThird-party benchmark
#12Gemini 2.5 ProGoogle DeepMind78.63points4,63650Gemini 2.5 Proaverage per caseOriginal sourcewinner eligibleThird-party benchmark
#13Gemini 3.6 FlashGoogle DeepMindSelected model78.39points9,42150Gemini 3.6 Flash (high thinking)average per caseOriginal sourcewinner eligibleThird-party benchmark
#14Gemini 3.5 FlashGoogle DeepMind75.70points8,87050Gemini 3.5 Flash (default)average per caseOriginal sourcewinner eligibleThird-party benchmark
#15Gemini 3.5 Flash-LiteGoogle DeepMind74.30points2,02250Gemini 3.5 Flash-Liteaverage per caseOriginal sourcewinner eligibleThird-party benchmark
#16Gemini 2.5 FlashGoogle DeepMind73.83points4,33950Gemini 2.5 Flashaverage per caseOriginal sourcewinner eligibleThird-party benchmark
#17Mistral Large 3Mistral AI70.61points2,01450Mistral Large 3average per caseOriginal sourcewinner eligibleThird-party benchmark
#18Gemini 3.1 Flash-LiteGoogle DeepMind69.50points1,57150Gemini 3.1 Flash-Liteaverage per caseOriginal sourcewinner eligibleThird-party benchmark
#19Gemini 2.5 Flash-LiteGoogle DeepMind68.49points2,40550Gemini 2.5 Flash-Liteaverage per caseOriginal sourcewinner eligibleThird-party benchmark
#20GPT-4oOpenAI57.17points1,18450GPT-4oaverage per caseOriginal sourcewinner eligibleThird-party benchmark
#21Command ACohere55.67points1,14850Cohere Command A (03-2025)average per caseOriginal sourcewinner eligibleThird-party benchmark
#22GPT-4o MiniOpenAI54.96points1,39450GPT-4o miniaverage per caseOriginal sourcewinner eligibleThird-party benchmark

22 models ranked by the best winner-eligible current-version score when available, otherwise the best publisher-artifact score; highest first. Observed Aug 29, 2026. The model you came from is highlighted.

Methodology and Coverage

Ranking protocoloverall score · points. Each model appears once; verified winner-eligible runs take precedence, and missing models are not imputed.
Acquisition coverage22 published models from 136 source rows; 81 source identities remain quarantined.

Primary Evidence

Publisher Artifacts

Questions

ToneBench FAQs

What does ToneBench measure?+

Blind, panel-scored writing benchmark across a fixed set of real editorial scripts. Model Markets classifies it as a writing benchmark and preserves the publisher's 2026-08-14-10-task release as a distinct comparison cohort.

How are models ranked on ToneBench?+

Models are ordered by overall score in points, with higher scores ranked first. Each model appears once; a verified winner-eligible current-version result takes precedence over a publisher-artifact-only result, and missing scores are not estimated.

Which model currently leads ToneBench?+

Claude Opus 5 leads the current verified table with 90.37 points on 2026-08-14-10-task. This is a benchmark-specific result, not a universal model-quality claim.

How many models have a published ToneBench score?+

22 catalog models are published from 136 source rows. 81 source identities remain quarantined rather than guessed.

Can ToneBench scores be compared with other benchmarks?+

Raw scores should be compared only within the same benchmark version, metric, and protocol. Model Markets normalizes eligible scores only for aggregate rankings, and groups models by an identical benchmark set before ranking them. View aggregate rankings

Why might a model be missing from ToneBench?+

A model remains absent when the publisher has no current result, the source model identity is unresolved, the evaluation protocol is incompatible, or the evidence cannot be verified. Model Markets does not substitute a provider claim or infer a score from a related model.

How current is the ToneBench leaderboard?+

The current Model Markets snapshot was observed Aug 29, 2026 from Towards AI artifacts. The exact publisher source and each retained result artifact are linked on this page.

Send Feedback