HiAPI
  • Models
  • Pricing
Search

Search HiAPI models, tools, and resources.

  • Models
  • Pricing
Back to promotions
ActiveSep 23, 2026, 15:00 to Oct 9, 2026, 00:00

Golden Week & Mid-Autumn offer: GPT Image 2.5 at 50% off

From Sep 23, 15:00 to Oct 8, GPT Image 2.5 Flare and Sunburst text-to-image and image-to-image are 50% off, applied automatically in the API and Playground.

Offer

50% off

Eligibility

All users

Applied

Automatic billing

MID-AUTUMN × NATIONAL DAYAll users · applied automatically
50% OFF

Every tier of 4 models is billed at 50% off the standard price

ENDS IN

--d
--h
--m
--s
TierWasNow
1K$0.05$0.025
2K$0.08$0.04
4K$0.12$0.06
Same price across all 4 models, per output image
Generate now

Models in this offer

01Text to image

GPT Image 2.5 Flare · Text to image

Generate from prompts with multiple aspect ratios and 1K / 2K / 4K output for quick holiday visuals.

gpt-image-2.5-flare/text-to-image
View text-to-image model
02Image to image

GPT Image 2.5 Flare · Image to image

Edit, restyle, or blend with up to 16 reference images.

gpt-image-2.5-flare/image-to-image
View image-to-image model
03Text to image

GPT Image 2.5 Sunburst · Text to image

Text-to-image for intricate detail and high-fidelity scenes, with 1K / 2K / 4K output.

gpt-image-2.5-sunburst/text-to-image
View text-to-image model
04Image to image

GPT Image 2.5 Sunburst · Image to image

Precise local changes with strong composition preservation for multi-reference edits.

gpt-image-2.5-sunburst/image-to-image
View image-to-image model

Half-price images for the holidays

During the Mid-Autumn and National Day holidays, the text-to-image and image-to-image models on both GPT Image 2.5 Flare and Sunburst are billed at 50% of the standard price, across every 1K / 2K / 4K tier.

Models in this offer

  • GPT Image 2.5 Flare: gpt-image-2.5-flare/text-to-image and gpt-image-2.5-flare/image-to-image
  • GPT Image 2.5 Sunburst: gpt-image-2.5-sunburst/text-to-image and gpt-image-2.5-sunburst/image-to-image

How it works

  1. Call any of the models above during the offer. No coupon code needed.
  2. The 50% price is applied automatically for all users in the API and Playground.
  3. Offer period: 2026-09-23 15:00 to 2026-10-09 00:00 (China Standard Time).

See the models

HiAPI

One API, All AI Models

Generate images, video, and audio with leading models through one production-ready API.

Get a free API key

AI Image API

  • All image models
  • GPT Image 2.5 Flare
  • GPT Image 2.5 Sunburst
  • GPT Image 2
  • Nano Banana 2
  • Seedream 5.0 Pro
  • Qwen Image 2.0 Pro
  • FLUX 1.1 Pro

AI Video API

  • All video models
  • Seedance 2.5
  • FLUX.3 Video
  • Seedance 2.0
  • Veo 3.1
  • Kling 3.0 Omni

AI Audio API

  • All audio models
  • MiniMax Music 2.6
  • MiniMax Music 1.5
  • ElevenLabs v3
  • Text to music
  • Text to speech

Product

  • Model marketplace
  • Playground
  • Pricing
  • Image API Cost Calculator
  • Free GPT Image 2 Generator
  • Free Background Remover
  • Free Nano Banana Image Generator
  • Outfit Preview
  • Product Photo Lab

Developers

  • Agent setup
  • Documentation
  • API Reference
  • Agent Skills
  • LLM integration index
  • Blog

Company

  • About
  • Contact support
  • Terms of Service
  • Privacy Policy

© 2026 hiapi. All rights reserved.

Open source on GitHubPython SDK on PyPI