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Welcome to TenndaAI changelog. Here you can find our latest model releases, pricing updates, and feature announcements.
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๐Ÿ”ฅ Latest Updates

03/05 GPT-5.4 Series

OpenAIโ€™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.

02/10 Doubao Seedream 5.0

ByteDanceโ€™s latest image model doubao-seedream-5-0-260128 is now available with stronger instruction following, real-time search enhancement, and improved generation consistency.

02/05 Claude 4.6 Series

Anthropicโ€™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.

02/19 Gemini 3.1 Series

Google Gemini 3.1 models are now available, including gemini-3.1-pro-preview and flash variants for multimodal and long-context workflows.

03/24 China model lineup update

DeepSeek, Kimi, Qwen, GLM, and Doubao lines were refreshed together, including deepseek-v3-2-251201, kimi-k2.5, and glm-5.

12/12 GPT-5.2 Series

OpenAIโ€™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

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

11/20 Gemini 3 Pro Preview

Googleโ€™s latest multimodal model! LMArena 1501 Elo #1, 1M context, thinking output support!

11/14 GPT-5.1 Series

OpenAIโ€™s latest iteration! Intelligence and speed balanced, SWE-bench 76.3%, 24-hour caching!

๐Ÿ“… March 2026

๐Ÿš€ GPT-5.4 Series Released (03/05)

OpenAIโ€™s new flagship-for-work series is now available across ChatGPT, API, and Codex:
  • Official positioning: GPTโ€‘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 GPTโ€‘5.2 for many complex tasks

๐ŸŽจ Doubao Seedream 5.0 Released (02/10)

ByteDance Seedโ€™s latest image model is now available:
  • Model name: doubao-seedream-5-0-260128
  • Official focus: Seedream 5.0 Lite emphasizes โ€œdeeper thinking, more accurate generationโ€
  • Core capabilities: Better multimodal understanding/reasoning, stronger consistency and instruction following
  • Official feature: Real-time search enhancement (toggleable) for time-sensitive creation workflows

๐Ÿง  Claude 4.6 Series Update (02/05)

Anthropicโ€™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

๐ŸŒŸ Gemini 3.1 Series Released (02/19)

Googleโ€™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

๐Ÿ“… December 2025

๐Ÿš€ GPT-5.2 Series Released (12/12)

OpenAIโ€™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 โ€œbrainwork partnerโ€
  • 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

๐ŸŽจ 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

๐Ÿ“… November 2025

๐Ÿš€ Claude Opus 4.5 Released

Anthropicโ€™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

๐ŸŒŸ Gemini 3 Pro Preview Released

Googleโ€™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

๐Ÿš€ GPT-5.1 Series Released

OpenAIโ€™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

๐Ÿ“… October 2025

๐ŸŽฅ Sora 2 Video Generation API

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

โšก 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

๐Ÿ’ป GLM-4.6 Released

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

๐Ÿ“… September 2025

๐Ÿš€ Claude Sonnet 4.5 Released

Worldโ€™s best coding model!
  • SWE-bench 77.2%: Best coding performance
  • Full upgrade: All capabilities improved

๐ŸŒ Grok Web Search Models

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

โšก Grok-4-fast Series Released

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

๐Ÿ“… August 2025

๐Ÿš€ GPT-5 Series Released

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

๐ŸŽฏ OpenAI Open Source Models

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

๐Ÿ“Š Update Statistics

  • ๐Ÿš€ GPT-5.4 Series: Pro/Mini/Nano options with stronger reasoning, coding, and agent workflows
  • ๐ŸŽจ Doubao Seedream 5.0: Better multimodal understanding, consistency, and real-time-search-enhanced creation
  • ๐Ÿง  Claude 4.6 Series: Stronger long-horizon coding and long-context enterprise tasks
  • ๐ŸŒŸ Gemini 3.1 Series: Upgraded core reasoning for advanced multimodal and agentic workflows
  • ๐Ÿš€ GPT-5.2: GDPval 70.9% matches/beats 14-year experts; ARC-AGI 2 at 52.9%; major gains in reasoning/coding/office workflows
  • ๐ŸŽจ SeeDream 4.5: 4K image generation, better text rendering, $0.035/image
  • ๐Ÿš€ Claude Opus 4.5: SWE-bench 80.9%, worldโ€™s best coding model
  • ๐ŸŒŸ Gemini 3 Pro Preview: LMArena 1501 Elo #1 globally
  • ๐Ÿš€ GPT-5.1 Series: Intelligence and speed balanced
  • ๐ŸŽจ SeeDream 4.5: 4K image generation, $0.035/image
  • โšก Claude Haiku 4.5: High value coding model
  • ๐ŸŽฌ Sora 2: Video generation revolution
  • ๐Ÿ’ป GLM-4.6: Code and reasoning enhanced
  • ๐Ÿš€ Claude Sonnet 4.5: Worldโ€™s best coding model
  • ๐ŸŒ Grok web models: Native web search
  • โšก 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!