LLM Reference

Best LLMs for Writing (2026)

Last refreshed 2026-07-16. Next refresh: weekly.

The best LLMs for writing in 2026, ranked by human preference. Covers long-form essays, creative prose, and marketing copy — with pricing.

Looking for ad copy, email, social posts, localization, or brand voice? Use the marketing use-case matrix instead of treating general prose quality as the whole decision.

Verdict

Use Claude Opus 4.7 for long-form writing today.

Claude Opus 4.6 is the runner-up: 1503 vs 1501 on Arena.

Researched 21d agoWhy this pickMethodology

How we rank

Writing picks are for essays, drafts, and long-form prose. The target rubric is EQ-Bench Creative Writing v3 when coverage is available; the live fallback is Chatbot Arena, then MMLU.

  1. EligibilityGeneral chat models excluding pure code/embedding SKUs.
  2. Target rankingEQ-Bench Creative Writing v3 becomes the primary signal once it exists in seed data for enough current models.
  3. Current live rankingUntil that coverage lands, the page keeps the current Chatbot Arena preference score fallback, then MMLU, then newer release.
  4. Variant collapseWe keep one row per model family (`familySlug` + parameter tier). When headline scores tie within ±0.5 pt (±10 Elo on Chatbot Arena), we pick the canonical SKU by lowest tracked input price, then GA over preview or limited access, then newest `release`. A folded sibling within the benchmark noise band can show a "Tied within margin" chip on that score cell.
  5. Why this ranking?Arena is an imperfect but useful human-preference proxy for prose quality; MMLU is only a general capability floor, not a style or brand-voice metric.
  6. Marketing boundaryUse `/best/marketing` for ad copy, email, social posts, localization, and brand-voice content; this page stays focused on general writing.
#ModelInput $/1MOutput $/1M
1Claude Opus 4.7
ReasoningVisionTools

Arena: 1503

$5.00$25.00
2Claude Opus 4.6
ReasoningVisionTools

Arena: 1501

$5.00$25.00
3Gemini 3.1 Pro Preview
PreviewVisionTools

Arena: 1493

$2.00$12.00
4Muse Spark
ReasoningVisionTools

Arena: 1491

5GPT-5.5
ReasoningVisionTools

Arena: 1488

$5.00$30.00
6Gemini 3 Pro
VisionTools

Arena: 1486

$1.25$5.00
7GPT-5.4
ReasoningVisionTools

Arena: 1479

$2.50$15.00
8ERNIE 5.1
Tools

Arena: 1476

$0.59$2.65
9Qwen3.7-Max
ReasoningTools

Arena: 1475

$1.25$3.75
10GLM-5.1
ReasoningTools

Arena: 1475

$1.05$3.50
11Gemini 3 Flash
PreviewVisionTools

Arena: 1467

$0.50$3.00
12Claude Opus 4.5
ReasoningVisionTools

Arena: 1466

$5.00$25.00
13Grok 4.1
ReasoningVisionTools

Arena: 1464

14Claude Sonnet 4.6
ReasoningVisionTools

Arena: 1459

$3.00$15.00
15DeepSeek V4 Pro
ReasoningTools

Arena: 1456

$0.43$0.87
16DeepSeek V4 Flash
ReasoningTools

Arena: 1437

$0.09$0.18
17Gemini 3.1 Flash-Lite
VisionTools

Arena: 1432

$0.25$1.50
18o3
ReasoningVisionTools

Arena: 1412

$2.00$8.00
19Gemini 2.5 Pro
ReasoningVisionTools

Arena: 1398

$1.25$10.00
20DeepSeek R1
Reasoning

Arena: 1372

$0.10$0.30

Honorable mentions

Next seats in this ranking. Lines below are from each model's stored description in LLMReference seed data—spot-check the model page before relying on a capability claim.

  • #4Gemini 3 Pro

    Google DeepMind's most advanced reasoning Gemini model. Part of the Gemini 3 series with frontier-class intelligence, multimodal understanding, and 1M token context window.

    1486

    Arena

  • GPT-5.4 is OpenAI's flagship frontier reasoning model, released March 5, 2026. It incorporates advances from GPT-5.3-Codex for coding and agentic workflows, and adds 'Thinking' mode with editable reasoning plans. Key capabilities include computer use (navigating interfaces via Playwright), image understanding and generation integration, full-stack web app generation, tool calling, and deep research. Knowledge cutoff is August 31, 2025. Model ID: gpt-5.4.

    1479

    Arena

  • ERNIE 5.1 is Baidu's fifth-generation flagship language model, officially released May 9, 2026. Achieved via disaggregated fully-asynchronous reinforcement learning and scaled agentic post-training, it delivers leading performance at approximately 6% of the pre-training compute cost of comparable models — with roughly one-third the total parameters and half the active parameters of ERNIE 5.0. ERNIE 5.1 ranks #4 globally and #1 among Chinese models on the LMArena Search leaderboard (score: 1,223), with standout performance in legal reasoning, mathematics (AIME26: 99.6), and business domains. API model ID: ernie-5.1. Context: 128K tokens; max output: 65,536 tokens.

    1476

    Arena

Frequently asked questions

Which LLM is best for writing?

Claude Opus 4.7 is the current LLMReference top pick for writing. The verdict uses the stored category signal Arena: 1503. Output pricing starts at $25.00 per 1M tokens. Review the linked model and provider pages before production use because availability and pricing can change.

How does Claude Opus 4.7 compare to Claude Opus 4.6 for writing?

Claude Opus 4.7 leads Claude Opus 4.6 in the visible shortlist on Arena: 1503 versus 1501. The pricing cards show Claude Opus 4.7: output pricing starts at $25.00 per 1m tokens and Claude Opus 4.6: output pricing starts at $25.00 per 1m tokens.

How does LLMReference rank LLMs for writing?

LLMReference ranks LLMs for writing from stored model, benchmark, freshness, and pricing data. The current methodology summary is: Writing picks are for essays, drafts, and long-form prose. The target rubric is EQ-Bench Creative Writing v3 when coverage is available; the live fallback is Chatbot Arena, then MMLU.

How often is this list updated?

The LLM rankings on this page are updated daily as new benchmark scores, provider availability, and pricing data are tracked. The "as of" date at the top of the page shows the most recent refresh.

How do you decide which models appear in the top 3?

The podium picks are driven by the primary benchmark signal for this category (shown in the Methodology section), filtered to non-deprecated models with confirmed API availability. In ties, we prefer the more recently released model.

Are preview or beta models included?

Preview models appear in the "Watch list" section but are not in the main ranked podium unless the category explicitly allows it (e.g., /best/coding and /best/agents, where preview models often lead benchmarks).

Can I compare two specific models head-to-head?

Yes — use the Compare tool at llmreference.com/compare for a side-by-side breakdown of context window, pricing, benchmarks, and provider availability.

Is the pricing data real-time?

Pricing is tracked from provider documentation and updated regularly. It reflects the best available public data, not live API quotes — always verify before billing.