Free
Is Veo 3.1 free? Flow credits, the Gemini app and the API
Is Veo 3.1 free? Google Flow gives everyone 50 credits a day, the Gemini API has no free tier for Veo, and the Gemini app is moving to Omni. What you can get.
SeedRouterSeedRouter guides
What do you want to build?
Choose a model, estimate the cost, or follow a guide from your first request to a working workflow.
Browse by goal
Model selection
Compare model capabilities, trade-offs, and alternatives before choosing an API.
43 guides
Pricing and costs
Understand billing units, estimate generation costs, and compare paid and free access.
44 guides
API integration
Connect your application, send a first request, handle tasks, and troubleshoot common errors.
41 guides
Prompting
Write clearer instructions and use references to control image, video, and language model outputs.
11 guides
Workflows and agents
Build repeatable workflows with coding agents, batch generation, and multi-step video projects.
15 guides
Model updates
Check release details, model availability, and what has changed between versions.
11 guides
All guides
SeedRouter
Pricing
MiniMax H3 pricing: API cost per second vs running it locally
MiniMax H3 API prices per second, what a 5, 10 or 15 second clip costs, what reference videos add, and what running the open weights on your own GPU takes.
SeedRouter
SD Video
MiniMax H3 prompt guide: the official structure, tested on real clips
The official MiniMax H3 prompt structure, field by field: dialogue tags, timed cuts and reference labels, plus four test clips that compare plain prompts too.
SeedRouter
SD Video
MiniMax H3 vs Seedance 2.5: rankings, tests, specs and price
MiniMax H3 vs Seedance 2.5 compared with an independent blind ranking, public same-prompt tests, the official specs and the price per minute of video output.
SeedRouter
Veo 3.1 Fast
Veo 3.1 API pricing: cost per second, per 8-second clip, with and without audio
Veo 3.1 API prices per second from Google for Standard, Fast and Lite, what an 8-second clip costs at each resolution, video-only rates, and live clip rates.
SeedRouter
Veo 3.1 Fast
Veo 3.1 Lite vs Fast vs Quality: which one should you use?
Veo 3.1 Lite vs Fast vs Quality: what Google says each tier trades off, how the five SeedRouter model IDs differ, and which one to use for drafts and finals.
SeedRouter
Claude
Claude Opus 5.5 prompting guide: effort, agents, refusals and templates
Anthropic's prompting advice for Claude Opus 5.5: start at medium effort, keep agents from stopping early, get progress updates, avoid refusals, plus templates.
SeedRouter
Long Video
Seedance 2.5 extend: how to make 1–5 minute videos with the API
Seedance 2.5 renders 30 seconds per clip. Chain extend calls to reach one to five minutes: the request shape, reference limits, how joins hold up, and the cost.
SeedRouter
Claude Fable
Claude Fable 5.5 Release Date: Is It Out, or Still a Rumor?
Anthropic has not released or announced Claude Fable 5.5. Here is the rumor timeline, the Fable 5.2 name change, what would confirm a launch, what to use now.
SeedRouter
Claude
Claude Sonnet 5.5 Release Date: What Changed at Launch
Claude Sonnet 5.5 is out. See the confirmed launch date, official model ID, changes to thinking and tools, and what to check before moving an existing app.
SeedRouter
Gemini 4 Argon Release Date: Is It Out, and Who Has Access?
Google announced Gemini 4 Argon on September 30, 2026. Here is who can use it today, the rollout order Google described, its price, and what is still unknown.
SeedRouter
Claude Opus 5.5
How to Use Claude Opus 5.5 with Seedance 2.5 to Make a Short Film
A short film workflow with one API key: Claude Opus 5.5 plans the shots, GPT Image 2.5 draws the character and start frames, and Seedance 2.5 renders the video.
SeedRouter
Claude Opus 5.5
Claude Fable 5.1 prompting guide: effort, system prompts and what changed
Anthropic's prompting advice for Claude Fable 5.1 and Opus 5.5: which effort to start at, the system prompt lines that fix common behaviors, and what changed.
SeedRouter
Max output tokens
Context window vs max output tokens: limits for GPT-6, Claude, DeepSeek and Kimi
Context window and max output tokens explained: limits for GPT-6, Claude, DeepSeek V4.1 Flash and Kimi K3, the parameter names, and fixes for cut-off replies.
SeedRouter
Specs
DeepSeek V4.1 Flash specs: context window, max output, size and defaults
Every DeepSeek V4.1 Flash spec in one place: size, active parameters, the 1M context window, the 393,216-token output cap and its low defaults, images and APIs.
SeedRouter
Alternatives
fal.ai alternatives: free credits, credit expiry and pricing compared
fal.ai alternatives compared on what matters when you switch: free credits, whether credits expire, how you pay, which models they carry, and how you call them.
SeedRouter
GPT-6 Astra
GPT-6 in Codex: setup, tested configs and common errors
Run GPT-6 Astra, Sol and Luna in Codex CLI with one SeedRouter key: the exact config.toml, what the context window setting does, our test runs, common errors.
SeedRouter
GPT-6 Astra
GPT-6 release date: when GPT-6 Astra, Sol and Luna came out
GPT-6 release dates for Astra, Sol and Luna, how each rolled out across ChatGPT, Codex and the OpenAI API, what GPT-6 Pro is, and where you can use GPT-6 today.
SeedRouter
GPT Image 2
GPT Image 2.5 vs GPT Image 2: release date, differences and when to upgrade
GPT Image 2.5 vs GPT Image 2: what changed on September 8, 2026, two new quality steps, Flare vs Sunburst, transparency, speed, and when to keep GPT Image 2.
SeedRouter
Nano Banana Pro
GPT Image 2.5 vs Nano Banana Pro: text, editing, references and sizes compared
GPT Image 2.5 vs Nano Banana Pro, the ChatGPT image model against Google: text rendering, masked edits, reference limits, 4K sizes and a pick for each job.
SeedRouter
Free
Is GPT-6 free? What Free, Plus, Pro, students and API users get
GPT-6 Luna is free in the ChatGPT desktop app for Free and Go users, but GPT-6 Astra needs a paid plan and the API bills per token. What each plan includes.
SeedRouter
GPT Image 2.5
Is GPT Image 2 free? ChatGPT plans, the API and GPT Image 2.5
GPT Image 2 and 2.5 are usable on every ChatGPT plan, including Free, within limits, but not free via an API. What each plan includes and what the API costs.
SeedRouter
Specs
Kimi K3 parameters, context window and max output tokens
How many parameters Kimi K3 has, how many are active, how large its context window is, how long a reply it can write, and which request settings are fixed.
SeedRouter
Claude Code
Nano Banana Pro in Claude Code: a skill that generates and edits images
Build a Nano Banana Pro skill for Claude Code with a SeedRouter key: one script that submits, polls and saves images, a SKILL.md, and the same folder for Codex.
SeedRouter
Prompting
Nano Banana Pro prompt guide: structure, text, references and edits
Write better Nano Banana Pro prompts: the five parts Google recommends, how to get exact text, give each reference a role, edit safely, plus worked examples.
SeedRouter
Seedance 2.0
Seedance 2.5 prompt guide: structure, camera, timing, audio and references
Write Seedance 2.5 prompts that follow your intent: the core formula, camera terms, timestamps, dialogue syntax, how to bind references, and worked examples.
SeedRouter
Seedance 2.0
Seedance "may contain real person" error: why it happens and what is allowed
Seedance rejects reference images and videos that contain real human faces. What the real person error means, why ByteDance blocks it, and what is allowed.
SeedRouter
Alternatives
Together AI alternatives: free credits, pricing and which one fits
Together AI needs a $5 top-up before the first call. The alternatives with free credits, per-token APIs, closed models or GPUs, and which one fits your job.
SeedRouter
GLM-5.3-Flash
What is Ox Alpha? The stealth model revealed as Z.ai GLM-5.3-Flash
Ox Alpha was an anonymous stealth model on OpenRouter and OpenCode. Z.ai revealed it as GLM-5.3-Flash: who made it, the specs, price, weights and how to use it.
SeedRouter
ByteDance
Who makes Seedance? ByteDance Seed, the versions and where to use it
Seedance is ByteDance Seed's video model. Who makes and owns it, how Seed differs from Seedance, every version and release date, and where to use it or its API.
SeedRouter
API
DeepSeek V4.1 Flash API: get a key and make your first call
Access DeepSeek V4.1 Flash by API: where to get a key, a working request in Python, Node.js and cURL, thinking and effort, streaming, images and common errors.
SeedRouter
Pricing
DeepSeek V4.1 Flash API pricing: peak, off-peak and cache hits
What DeepSeek V4.1 Flash costs per million tokens at peak and off-peak hours, read live from the rates that bill you, with cache-hit rates and the formula.
SeedRouter