> ## Documentation Index
> Fetch the complete documentation index at: https://tennda.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.
# Changelog 🔥
> TenndaAI latest updates, model releases, and pricing changes
Welcome to TenndaAI 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
OpenAI's latest production model line is now available: gpt-5.4 / gpt-5.4-pro / gpt-5.4-mini / gpt-5.4-nano for complex reasoning, coding, and high-throughput workloads.
ByteDance's latest image model `doubao-seedream-5-0-260128` is now available with stronger instruction following, real-time search enhancement, and improved generation consistency.
Anthropic's Claude 4.6 models are available: `claude-sonnet-4-6` and `claude-opus-4-6`, with stronger coding, long-horizon agent tasks, and long-context capabilities.
Google Gemini 3.1 models are now available, including `gemini-3.1-pro-preview` and flash variants for multimodal and long-context workflows.
DeepSeek, Kimi, Qwen, GLM, and Doubao lines were refreshed together, including deepseek-v3-2-251201, kimi-k2.5, and glm-5.
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%.
BytePlus best 4K image generation model! 1.2B parameters, enhanced text rendering, supports 10 reference images, \$0.035/image!
Anthropic's latest flagship! SWE-bench 80.9% beats all competitors, price reduced to 1/3, supports Claude Code!
Google's latest multimodal model! LMArena 1501 Elo #1, 1M context, thinking output support!
OpenAI's latest iteration! Intelligence and speed balanced, SWE-bench 76.3%, 24-hour caching!
## 📅 March 2026
### 🚀 GPT-5.4 Series Released (03/05)
OpenAI's new flagship-for-work series is now available across ChatGPT, API, and Codex:
* **Official positioning**: GPT‑5.4 is presented as a frontier model for professional work, with `gpt-5.4-pro` for maximum performance
* **Native computer use**: First general-purpose OpenAI model with native computer-use support for agent workflows
* **Long context**: Supports up to 1M token context in Codex/API scenarios
* **Efficiency upgrade**: Officially positioned as more token-efficient than GPT‑5.2 for many complex tasks
### 🎨 Doubao Seedream 5.0 Released (02/10)
ByteDance Seed's latest image model is now available:
* **Model name**: `doubao-seedream-5-0-260128`
* **Official focus**: Seedream 5.0 Lite emphasizes "deeper thinking, more accurate generation"
* **Core capabilities**: Better multimodal understanding/reasoning, stronger consistency and instruction following
* **Official feature**: Real-time search enhancement (toggleable) for time-sensitive creation workflows
### 🧠 Claude 4.6 Series Update (02/05)
Anthropic's new generation is now supported:
* **Flagship pair**: `claude-sonnet-4-6` + `claude-opus-4-6`
* **Official upgrades**: Improved coding, debugging, code review, and long-running agent performance
* **Long context**: Anthropic officially introduced 1M token context (beta) for Opus-class workflows
### 🌟 Gemini 3.1 Series Released (02/19)
Google's latest Gemini generation is now available:
* **Official positioning**: Gemini 3.1 Pro is announced as a stronger core model for complex tasks (Preview)
* **Capability direction**: Improved reasoning for hard problem-solving and more advanced agentic workflows
* **Availability**: Rolled out via Gemini API, Vertex AI, Gemini app, NotebookLM, and related developer channels
* **Current options**: `gemini-3.1-pro-preview`, `gemini-3.1-flash-lite-preview`, `gemini-3.1-flash-image-preview`
## 📅 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
* 🚀 GPT-5.4 Series: Pro/Mini/Nano options with stronger reasoning, coding, and agent workflows
* 🎨 Doubao Seedream 5.0: Better multimodal understanding, consistency, and real-time-search-enhanced creation
* 🧠 Claude 4.6 Series: Stronger long-horizon coding and long-context enterprise tasks
* 🌟 Gemini 3.1 Series: Upgraded core reasoning for advanced multimodal and agentic workflows
* 🚀 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!