Welcome to Nebula API changelog. Here you can find our latest model releases, pricing updates, and feature announcements.
Bookmark: Press Ctrl+D to bookmark this page and stay updated!

Latest Updates

04/29 Claude 4.7 Released

Anthropic flagship model upgraded! Optimized reasoning chain, reduced cost, million-level context window, perfectly adapted to platform ecosystem.

04/29 GPT-Image-2 Integration

OpenAI’s new image generation model! Image quality upgrade, enhanced instruction following, seamless platform workflow integration, enterprise-grade safety compliance.

04/29 SeeDance 2.0 Dual Versions

BytePlus Volcano Engine video generation model! 2.0 focuses on high quality, 2.0-Fast focuses on rapid generation, improved image quality, platform compatible, cost controllable.

04/29 GPT-5.5 Series Released

OpenAI 2026 flagship upgrade! Reasoning breakthrough, tool and code optimization, professional productivity enhancement, unified agent support, long context support.

04/29 DeepSeek V4 Integration

Domestic flagship model deeply adapted! Enhanced coding capabilities, upgraded reasoning performance, significant cost advantage, perfect ecosystem compatibility.

04/29 Grok 4.1 / 4.2 Series

Real-time conversation flagship models! Dual version coverage, low-latency interaction, multimodal upgrade, full platform core capability adaptation.

04/29 Vidu Video Generation

Professional-grade video generation capability! Text/image-driven high-quality video, long video support, seamless multimodal platform integration.

04/29 Kling Series Released

One-stop AIGC creation model! Full scene coverage for text-to-image/video/digital human, lightweight and professional options, platform ecosystem compatible, cost controllable.

12/12 GPT-5.2 Series

OpenAI’s newest flagship iteration! Better reasoning and coding, same price as GPT-5.1; GDPval real-world tasks: 70.9% on par with 14-year experts; ARC-AGI 2: 52.9%.

12/04 SeeDream 4.5

BytePlus best 4K image generation model! 1.2B parameters, enhanced text rendering, supports 10 reference images, $0.035/image!

11/25 Claude Opus 4.5

Anthropic’s latest flagship! SWE-bench 80.9% beats all competitors, price reduced to 1/3, supports Claude Code!

11/20 Gemini 3 Pro Preview

Google’s latest multimodal model! LMArena 1501 Elo #1, 1M context, thinking output support!

11/14 GPT-5.1 Series

OpenAI’s latest iteration! Intelligence and speed balanced, SWE-bench 76.3%, 24-hour caching!

April 2026

Claude 4.7 Released

Anthropic flagship model iteration upgrade, fully adapted to platform ecosystem:
  • Performance enhancement: Deeply optimized reasoning chain, significantly improved complex logic processing and multi-turn dialogue stability
  • Cost optimization: Reduced per-token calling cost, better value for high-load scenarios
  • Ecosystem compatibility: Perfectly adapted to existing platform conversation/code/long-document scenarios, seamless integration
  • Ultra-long context: Native support for million-level context window, adapted to multi-file projects and long-document deep analysis

GPT-Image-2 Integration

OpenAI’s new generation image generation model, platform text-to-image capability upgrade:
  • Image quality upgrade: Supports ultra-high-definition image generation, greatly improved detail restoration
  • Instruction following: Optimized text understanding and rendering capabilities, significantly improved accuracy for complex scenes and text generation
  • Platform adaptation: Seamlessly integrated into platform drawing workflow, supports batch generation and multi-style customization
  • Safety compliance: Built-in platform content safety verification, adapted to enterprise-level usage scenarios

SeeDance 2.0 / SeeDance 2.0-Fast Dual Versions

BytePlus Volcano Engine video generation model, covering both efficiency and quality scenarios:
  • Dual version strategy: 2.0 focuses on high-quality video generation, 2.0-Fast focuses on rapid output, switch as needed
  • Image quality improvement: Supports higher resolution video output, optimized frame smoothness and dynamic stability
  • Platform compatibility: Adapted to platform multimodal creation workflow, supports image-text-to-video and storyboard generation
  • Cost controllable: 2.0-Fast version provides high-value calling solution, adapted to high-frequency generation needs

GPT-5.5 Series Released

OpenAI 2026 flagship upgrade, comprehensively strengthening platform core capabilities:
  • Reasoning breakthrough: Thinking version shows significant leap in general reasoning and complex task decomposition
  • Tools and code: Optimized tool calling chain, improved SWE-bench performance, stronger engineering scenario adaptation
  • Platform compatibility: Fully compatible with existing platform streaming output, tool calling, and thinking mode
  • Professional productivity: Comprehensive strengthening of office suite, code generation, and multimodal understanding capabilities
  • Unified agent: Optimized single-agent paradigm, lower multi-tool calling latency and smoother switching
  • Long context and multi-file: Ultra-long context window, adapted to platform multi-file projects and code repository analysis scenarios

DeepSeek V4 Integration

Domestic flagship model deeply adapted, supplementing platform high-value technology stack:
  • Coding capability: Significantly strengthened code generation and debugging capabilities, adapted to platform developer scenarios
  • Reasoning performance: Upgraded complex logic and mathematical reasoning capabilities, improved multi-task processing efficiency
  • Cost advantage: Provides high-value calling solution, adapted to enterprise-level high-concurrency needs
  • Ecosystem adaptation: Seamlessly integrated into platform conversation, code, and knowledge base scenarios, compatible with existing workflows

Grok 4.1 / Grok 4.2 Series Released

Real-time conversation flagship models integrated, supplementing platform real-time interaction capabilities:
  • Dual version coverage: 4.1 focuses on general conversation and lightweight reasoning, 4.2 strengthens complex logic and multimodal understanding
  • Real-time interaction: Low-latency dialogue response, adapted to platform high-concurrency real-time conversation scenarios
  • Multimodal upgrade: Optimized image-text understanding and real-time information parsing capabilities, adapted to dynamic content processing
  • Platform compatibility: Adapted to platform conversation, tool calling, streaming output and other core capabilities

Vidu Video Generation Released

Professional-grade video generation capability integrated, completing platform high-quality video creation scenarios:
  • Dynamic generation: Supports text/image-driven high-quality video generation, greatly improved dynamic details and lighting performance
  • Long video support: Adapted to longer duration video generation needs, meeting medium-to-long video creation scenarios
  • Platform adaptation: Seamlessly integrated into platform multimodal creation workflow, supports storyboard generation and batch export
  • Cost optimization: Provides tiered calling solution, balancing professional creation and high-frequency usage scenarios

Kling Series Released

One-stop AIGC creation model integrated, covering lightweight to professional full scenarios:
  • Full scene coverage: Supports multimodal creation capabilities including text-to-image, text-to-video, and digital human
  • Lightweight and professional options: Lightweight version adapted for rapid output, professional version meets high-precision creation needs
  • Platform ecosystem compatibility: Adapted to platform creation center workflow, supports multi-model linkage and one-click export
  • Cost controllable: Provides high-value calling solution, adapted to individual creators and enterprise batch production scenarios

December 2025

GPT-5.2 Series Released (12/12)

OpenAI’s year-end upgrade for Chat, Reasoning, and Code:
  • Performance: Improved reasoning chain; more stable code/tool calls; better SWE-bench than 5.1
  • Pricing: Same as GPT-5.1, keeping strong value
  • Compatibility: Streaming, tool calling, and thinking/reasoning remain backward-compatible
  • Productivity focus: Targeted at spreadsheets, decks, long docs, and coding; positioned as a “brainwork partner”
  • GDPval benchmark: Across 44 professions and 1,320 real tasks, GPT-5.2 matches or beats 14-year experts in 70.9% of cases
  • ARC-AGI 2 leap: Thinking version scores 52.9% (up from 17.6%), notably ahead of Gemini 3 Pro / Claude peers
  • Single mega-agent: Lower tool-call latency, smoother multi-tool orchestration
  • Vision + long context: Industrial-grade vision (e.g., circuit boards, wave simulations) with ultra-long context for multi-file and long-doc analysis

SeeDream 4.5 Released

BytePlus latest image generation model!
  • Ultra-high resolution: 4K image generation
  • Parameter upgrade: 1.2B parameters
  • Text rendering: Significantly enhanced
  • Reference images: Up to 10 reference images
  • Low price: Only $0.035/image

November 2025

Claude Opus 4.5 Released

Anthropic’s latest flagship model!
  • #1 Coding: SWE-bench Verified 80.9%
  • Price drop: 1/3 of previous Opus 4
  • Claude Code: Full support
  • 200K context: Extended context window

Gemini 3 Pro Preview Released

Google’s latest multimodal model!
  • LMArena #1: 1501 Elo score
  • 1M context: Ultra-long context
  • Multimodal king: Text/image/video/audio
  • Thinking output: Full reasoning process

GPT-5.1 Series Released

OpenAI’s latest iteration!
  • Performance: SWE-bench Verified 76.3%
  • Speed: 2-5x faster for simple tasks
  • Caching: 24-hour prompt caching
  • Tools: Apply_Patch and Shell tools

October 2025

Sora 2 Video Generation API

OpenAI’s revolutionary video model!
  • Audio sync: Auto-generated sound effects
  • No watermark: Commercial-grade output
  • Low price: Starting at $0.15/generation

Claude Haiku 4.5 Released

High value coding model!
  • SWE-bench 73.3%: Excellent coding
  • 2x faster: Improved response speed
  • 1/3 cost: Great value

GLM-4.6 Released

Zhipu AI code and reasoning enhanced!
  • 200K context: Extended context
  • Code enhanced: Better programming
  • Reasoning upgraded: Stronger logic

September 2025

Claude Sonnet 4.5 Released

World’s best coding model!
  • SWE-bench 77.2%: Best coding performance
  • Full upgrade: All capabilities improved

Grok Web Search Models

Native web search!
  • Grok-4-all / Grok-3-all: Built-in web search
  • Real-time info: Latest web information

Grok-4-fast Series Released

Ultra-long context at lowest price!
  • 200K Tokens: Extended context
  • 93%+ price drop: Best value

August 2025

GPT-5 Series Released

OpenAI’s latest flagship!
  • Same price: 20% off
  • Full series: GPT-5, GPT-5-mini, etc.

OpenAI Open Source Models

OpenAI’s first open source models!
  • gpt-oss-120b: 120B parameter model
  • gpt-oss-20b: 20B lightweight version
  • Local deployment: Edge computing support

Update Statistics

  • Claude 4.7: Anthropic flagship iteration, reasoning optimized, million-level context
  • GPT-Image-2: OpenAI new generation image generation, image quality and instruction following dual upgrade
  • SeeDance 2.0: BytePlus video generation, dual versions covering quality and efficiency scenarios
  • GPT-5.5: OpenAI 2026 flagship, reasoning/tools/productivity comprehensively strengthened
  • DeepSeek V4: Domestic flagship, coding and reasoning capabilities deeply adapted
  • Grok 4.1/4.2: Real-time conversation flagship, low-latency multimodal interaction
  • Vidu: Professional-grade video generation, long video and multimodal creation support
  • Kling Series: One-stop AIGC creation, full scene coverage
  • GPT-5.2: GDPval 70.9% matches/beats 14-year experts; ARC-AGI 2 at 52.9%; major gains in reasoning/coding/office workflows
  • SeeDream 4.5: 4K image generation, better text rendering, $0.035/image
  • Claude Opus 4.5: SWE-bench 80.9%, world’s best coding model
  • Gemini 3 Pro Preview: LMArena 1501 Elo #1 globally
  • GPT-5.1 Series: Intelligence and speed balanced
  • SeeDream 4.5: 4K image generation, $0.035/image
  • Claude Haiku 4.5: High value coding model
  • Sora 2: Video generation revolution
  • GLM-4.6: Code and reasoning enhanced
  • Claude Sonnet 4.5: World’s best coding model
  • Grok web models: Native web search
  • Grok-4-fast: 200K context at lowest price

Update frequency: This page is updated regularly. Bookmark and check often for latest announcements.Tip: New models often have special launch promotions. Try them early!