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Start with the changes that can move cost, vendor choice, or migration plans
This is not the full feed. It is the short list worth reviewing first.
OpenAI introduced GPT-5.4 across ChatGPT, Codex, and API
OpenAI launched GPT-5.4 on March 5, 2026, with rollout to paid ChatGPT users, all Codex users, and immediate API availability. OpenAI also exposed GPT-5.4 Pro in the API, pricing GPT-5.4 at $2.50 input / $0.25 cached input / $15 output per 1M tokens and GPT-5.4 Pro at $30 input / $180 output per 1M tokens.
Gemini 3.1 Flash-Lite launched in preview ($0.25/$1.50 per MTok)
Google introduced Gemini 3.1 Flash-Lite in preview for low-latency, high-volume workloads. The official announcement positions it for summarization, translation, and classification, with pricing set at $0.25 per 1M input tokens and $1.50 per 1M output tokens in Google AI Studio and Vertex AI.
Cut the shortlist by scenario before comparing models
Use scenario leaderboards to decide which models deserve evaluation before you spend time on pricing and migration detail.
Claude Opus 4.6
Anthropic
Price Matrix
Compare pricing across vendors and modalities. Prices in USD.
| Vendor | Model | Scope | Input / 1M | Output / 1M | Details | API |
|---|---|---|---|---|---|---|
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