LLM API price changes
LLM API price changes we found on the providers' own pricing pages, last checked November 1, 2026. The first table lists announced changes with the date each one starts, so you can plan before your bill moves. Below it is our full check log for 5 providers. Prices are per 1M tokens, standard tier, in US dollars.
Upcoming LLM API price changes
| Model | Starts | Input now | Input then | Output now | Output then |
|---|---|---|---|---|---|
| Gemini 4 Argon | $2.00 | $4.00 (+100%) | $10.00 | $20.00 (+100%) | |
| Gemini 3.6 Flash | $0.75 | $1.50 (+100%) | $3.75 | $7.50 (+100%) | |
| Gemini 3.8 Flash | $0.75 | $1.50 (+100%) | $3.75 | $7.50 (+100%) |
Work out what a change means for your app in the token calculator, or find a cheaper model on cheapest LLM API.
Price check log
Added Claude Fable 5.2 at $8 input and $40 output per 1M tokens, below Fable 5.1.
Rechecked: no price changes.
· DeepSeek
First check. Per-request billing for the Search and Fetch tools starts on 1 November 2026, Beijing time.
Rechecked: no price changes. Added Gemini 3 Flash Preview.
· Mistral
First check.
· OpenAI
Rechecked: no price changes. Added GPT-6.1 Terra, GPT-6 Sol and GPT-5.6 Luna, and long prompt prices for GPT-6 Astra, GPT-6.1 Sol and GPT-5.5.
First check. Anthropic says Claude Sonnet 5's $2 / $10 launch price is now the standard price; the planned rise to $3 / $15 will not happen.
First check. Price rises announced for Gemini 4 Argon (1 Dec 2026) and Gemini 3.8 and 3.6 Flash (1 Jan 2027).
· OpenAI
First check. GPT-5.6 Sol is on promotional pricing until at least 21 Nov 2026.
FAQ
Which LLM API prices are going up?
On our November 1, 2026 check, 3 models have an announced price change: Gemini 4 Argon from December 1, 2026 (input $2.00 to $4.00, output $10.00 to $20.00 per 1M tokens); Gemini 3.6 Flash from January 1, 2027 (input $0.75 to $1.50, output $3.75 to $7.50 per 1M tokens); Gemini 3.8 Flash from January 1, 2027 (input $0.75 to $1.50, output $3.75 to $7.50 per 1M tokens).
How often does TeaserTrack check LLM API prices?
We read each provider's own pricing page and note the date on every check. When a price moves or a new model appears, the change goes into the log on this page and on the provider's page.
Where do these prices come from?
Only from the providers' own pricing pages: OpenAI API pricing, Claude API pricing, Gemini API pricing, DeepSeek API pricing, Mistral API pricing (docs). Every source is linked at the end of this page.