Does TulexAI help with SEO research?

Yes - Perplexity Sonar Pro returns cited web answers you can use to research and source articles, alongside the writing models.

Is TulexAI cheaper than Writesonic?

TulexAI starts at $11/month, below Writesonic’s typical entry, and adds frontier image generation, with video from $23.

Can TulexAI generate images for posts?

Yes - it includes GPT Image 2 and Flux 2 Pro for article images, beyond Writesonic’s lighter image features.

Writesonic alternative

A Writesonic alternative with direct model access

Writesonic is ~$20/month for SEO writing. TulexAI gives GPT-5 and Claude directly, Perplexity research, plus image and voice from $11/month, video from $23.

Writesonicfrom ~$20/mo

Direct GPT-5 / Claude choice
Frontier video models
ElevenLabs voice
Frontier image lineup
One AI vendor only

Recommended

TulexAI$11/mo

Direct GPT-5 / Claude choice
Frontier video models
ElevenLabs voice
Frontier image lineup
51+ models, every provider

Try 1 prompt free Save $9/mo · ~45% cheaper

Quick answer

Writesonic starts around $20/month for SEO and article writing on top of base models. The TulexAI alternative gives GPT-5 and Claude Opus 4.8 directly, Perplexity for cited research, plus image and voice generation - one subscription from $11/month, video from $23, with full model control.

Leo Parker·Founder, TulexAI· Updated May 29, 2026

Head to head

Writesonic vs TulexAI

	Writesonic	TulexAI
SEO writing tools
Article generation
Some image generation
Brand voice
Direct GPT-5 / Claude choice
Frontier video models
ElevenLabs voice
Frontier image lineup
Starting price	from ~$20/mo	$11/mo
Models included	1 vendor	51+ models

Save $9/mo ($108/yr) - about 45% cheaper than Writesonic.

Source: Writesonic paid plans start at ~$20/mo (approx, verify May 2026).

Keep + gain

Keep Writesonic. Gain everything else.

What you keep

SEO writing tools
Article generation
Some image generation
Brand voice

What you gain

Direct GPT-5 / Claude choice
Frontier video models
ElevenLabs voice
Frontier image lineup
51+ models from every major provider

Why switch

Reasons to leave Writesonic

Write with GPT-5 and Claude directly, not a wrapper
Perplexity cited search for research-backed articles
Add image, video and voice in the same plan
Flat plans from $11/mo with clear per-action cost

The TulexAI models that replace Writesonic

One subscription, 51+ models. Here are the ones most relevant to Writesonic users.

Text & Chat

OpenAI GPT-5.4Premium
Claude Opus 4.8Premium
Gemini 3.1 ProStandard
Perplexity Sonar ProPremium

Image

GPT Image 2Premium

Video

SoraPremium

Voice

ElevenLabs TTSPremium

Frequently asked questions

TulexAI is a strong Writesonic alternative: it gives direct GPT-5 and Claude writing plus Perplexity research and image and voice from $11/month, video from $23.

Ready to leave Writesonic behind?

40+ AI models - GPT-5, Claude Opus 5, Gemini 3.1, image, video & voice. One subscription from $11/mo.

Try 1 prompt free

1 free prompt · no credit card · cancel any time