Agent migration case study · Mistral AI · Intermediate to advanced
You want Mistral's September 9, 2026 field report on migrating 40,000 lines of Fortran 77 to C++, including a parity harness built before migration, agent-generated documentation, planner-coder-tester-reviewer workflows, and the human checkpoints needed for maintainable results.
mistral, coding agents, legacy modernization, parity testing, agent workflows
Model guide · OpenAI · Intermediate to advanced
You are evaluating or migrating to GPT-6 Astra and need implementation guidance for async tool calls, mid-turn steering, reasoning updates, Responses API tool use, unsupported parameters, and prompt changes.
openai, gpt-6 astra, responses api, async tool calling, mid-turn steering
Model docs · Anthropic · Intermediate to advanced
You need Anthropic's September 1, 2026 source of truth for Claude Fable 5.1 and invite-only Mythos 5.1, including model IDs, pricing, availability, long-horizon agent strengths, and breaking changes from Fable 5.
anthropic, claude fable 5.1, claude mythos 5.1, frontier models, model selection
Prompting guide · Anthropic · Intermediate to advanced
You are testing or migrating to Claude Fable 5.1 and want model-specific guidance for effort, progress updates, tool-call batching, long tasks, compaction, subagents, file edits, and verification.
anthropic, claude fable 5.1, prompting, coding agents, tool use
Migration guide · OpenAI · Intermediate
You are starting a new OpenAI integration or upgrading an older chat-completions flow and want the current API surface with built-in agent primitives.
openai, responses api, migration, agents, tool use
Release notes · OpenAI · Intermediate
You want the official running log of OpenAI API launches, pricing shifts, renamed features, and model changes before updating a workflow or teaching page.
openai, release notes, gpt-5.6, pricing, migrations
Migration guide · OpenAI · Intermediate
You need OpenAI's current retirement schedule and recommended replacements before pinning model IDs in evals, coding agents, or user-facing features.
openai, deprecations, migrations, model selection, release notes
Migration guide · OpenAI · Intermediate
You still have Assistants API code or course material and need the exact OpenAI migration path before the Assistants API shutdown on August 26, 2026.
openai, assistants api, responses api, migration, agents
Model catalog · OpenAI · Beginner to advanced
You want the current full OpenAI model catalog, including older and deprecated entries, before wiring exact model IDs into evals, tooling, or migrations.
openai, model catalog, gpt, codex, reasoning models
Migration guide · Anthropic · Intermediate to advanced
You are upgrading to newer Claude models and need the exact model-ID swaps, behavior changes, and migration checks from Anthropic's primary source.
anthropic, claude, migration, model updates, breaking changes
Migration guide · Anthropic · Intermediate
You need Anthropic's official retirement and replacement schedule before pinning Claude model IDs in production, evals, or coding-agent defaults.
anthropic, claude, deprecations, migrations, model selection
Migration guide · Google AI for Developers · Intermediate
You are upgrading an older Gemini integration and need Google's current migration path toward the Interactions API for stateful agent workflows.
gemini, interactions api, migration, agents, stateful workflows
Migration guide · Google AI for Developers · Intermediate
You need Google's official shutdown schedule and recommended replacements before pinning Gemini preview or Flash variants in a long-lived workflow.
gemini, deprecations, migrations, model selection, release notes
API docs · DeepSeek · Beginner to advanced
You need first-call examples, OpenAI-compatible API usage, and current migration notes for DeepSeek models.
deepseek, reasoning models, coding models, openai compatible, api examples
Migration note · DeepSeek · Intermediate
You need to know that `deepseek-chat` and `deepseek-reasoner` are temporary aliases mapped to DeepSeek V4 Flash modes and scheduled for deprecation.
deepseek, model aliases, deepseek-v4-flash, migrations, reasoning models
Release notes · DeepSeek · Intermediate
You need official migration notes, including current legacy-alias retirements and model replacement timelines.
deepseek, release notes, migrations, model deprecations, v4
Guide · DeepSeek · Intermediate
You want the current DeepSeek path for Responses-style orchestration and need to know that support currently centers on `deepseek-v4-flash` before planning a migration.
deepseek, responses api, openai compatible, agents, tool use
Guide · OpenRouter · Intermediate
You want stable latest-family aliases like `~anthropic/claude-opus-latest` so a learning or internal workflow stays current without rewriting pinned model slugs on every release.
openrouter, latest aliases, model selection, routing, versioning
Model docs · OpenAI · Beginner to advanced
You want OpenAI's current model-family guidance for GPT-6 Astra and GPT-5.6 prompting, migrations, and feature tradeoffs before upgrading an app or agent workflow.
openai, gpt-6 astra, gpt-5.6, model guidance, prompting
Model docs · OpenAI · Intermediate
You need the current Codex model guidance, including recommended coding and subagent models plus active retirement notes such as the August 31, 2026 ChatGPT-sign-in migration away from gpt-5.4 and gpt-5.4-mini.
codex, coding agents, model selection, gpt-5, subagents
Release notes · Anthropic · Intermediate
You need the live Claude Code change stream for new skills, workflow behaviors, budget controls, and CLI updates before teaching or standardizing a coding-agent workflow.
anthropic, claude code, release notes, skills, coding agents
Deprecation log · Cohere · Intermediate
You need the official retirement schedule and replacement guidance before pinning older Cohere models or embedding endpoints.
cohere, deprecations, model migrations, embed, aya
Release notes · xAI · Intermediate
You need the official changelog for current Grok releases, retirements, and API behavior changes before upgrading, including recent Build beta and voice-model routing changes published through August 2026.
xai, grok, release notes, model migrations, api
Release notes · Perplexity · Intermediate
You need the current Perplexity source of truth for new Agent API models, retired model IDs, MCP changes, and platform-level migration updates such as the July 2026 move from Sonar-backed tools to Agent API presets.
perplexity, agent api, release notes, model updates, migrations
Migration guide · Perplexity · Intermediate
You still have Sonar-based code or OpenAI-compatible chat-completions integrations and need the current Perplexity migration path into the Agent API.
perplexity, agent api, migration, sonar, search