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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.
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Claude Opus 4.6
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Price Matrix
Compare pricing across vendors and modalities. Prices in USD.
| Vendor | Model | Scope | Input / 1M | Output / 1M | Details | API |
|---|---|---|---|---|---|---|
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