Monthly AI API price report
AI API price changes in September 2026
11 confirmed AI API price changes in September 2026: 3 price drops, 0 increases, 1 minor changes (such as cache prices), 7 new listings and 0 removals. Biggest cut: mistral-large-2407 at Amazon Bedrock, 33% cheaper.
Final for September 2026. Every change was confirmed on two consecutive daily runs of the open pricing datasets we track; each row links the provider's pricing page. How we track prices - RSS
Cheaper this month
Biggest price drops
Most price cuts: Amazon Bedrock (2), Microsoft Azure AI Foundry (1). Text models compare on a blended basis (3 input : 1 output tokens).
| Model and provider | Change | Before | After | Date | Source |
|---|---|---|---|---|---|
| mistral-large-2407Amazon Bedrock · LLM | -33% | $3.00 input, $9.00 output per 1M tokens | $2.00 input, $6.00 output per 1M tokens | Sep 30, 2026 | Pricing page |
| Llama 3.1 70B InstructAmazon Bedrock · LLM | -27% | $0.99 input, $0.99 output per 1M tokens | $0.72 input, $0.72 output per 1M tokens | Sep 30, 2026 | Pricing page |
| DeepSeek V4.1 FlashMicrosoft Azure AI Foundry · LLM | -20% | $0.375 input, $1.50 output per 1M tokens | $0.30 input, $1.20 output per 1M tokens | Sep 29, 2026 | Pricing page |
New this month
Newly listed models
7 new listings for 4 models, most widely offered first.
- Claude Sonnet 5.5Anthropic, Amazon Bedrock, Microsoft Azure AI Foundry, Google Cloud Vertex AI
- Claude Sonnet 5.5Google Cloud Vertex AI
- Grok 4.7Amazon Bedrock
- us-gov.anthropic.claude-sonnet-5-5Amazon Bedrock
Act on it
What does your workload cost now?
LLM APIs - Image APIs - Video APIs - Speech-to-text APIs - Daily change log - October 2026 report