AI cost report

September 2026

State of AI Cost, September 2026

Published September 1, 2026. Covers Sep 1 to Sep 20, 2026.

The Frontier index sits at $4.64 per million tokens, unchanged. The lowest blended price on record is nscale/Qwen/Qwen2.5-Coder-3B-Instruct at $0.015 per million tokens. 10 models changed price. The community tracked $106.66 of AI spend across 4 contributors.

Key takeaways

0%

Frontier AI held flat this period, at $4.64 per 1M tokens (blended).

+525%

Biggest move: gemini/gemini-flash-lite-latest output price rose 525%.

$0.02

Cheapest credible model: nscale/Qwen/Qwen2.5-Coder-3B-Instruct per 1M tokens (blended).

4 people

contributed real usage to this report's community numbers.

The AI Cost Index

Frontier 0%
$4.64 per 1M tokens
Budget 0%
$0.74 per 1M tokens

See the live AI Cost Index for the current value and full history.

Biggest price moves

Model Output before Output after Change
gemini/gemini-flash-lite-latest $0.40 $2.50 +525%
gemini-flash-lite-latest $0.40 $2.50 +525%
eu.anthropic.claude-3-5-haiku-20241022-v1:0 $1.25 $4.00 +220%
azure_ai/Llama-4-Maverick-17B-128E-Instruct-FP8 $0.35 $1.00 +185.7%
azure_ai/DeepSeek-V4-Flash-0731 $0.51 $1.32 +158.8%
fireworks_ai/deepseek-v4-flash-0731 $0.28 $0.66 +135.7%
openrouter/deepseek/deepseek-v4-pro-0813 $1.73 $3.96 +128.3%
azure/gpt-image-2 $10.00 $0.00 -100%
azure/gpt-image-2-2026-04-21 $10.00 $0.00 -100%
gpt-image-2 $10.00 $0.00 -100%

Lowest cost per million tokens

What the community spent

Spend
$106.66
Tokens
12,859,435,330
Events
494
Contributors
4

Top models by spend

unknown · $0.00

Anonymized aggregate across opted-in contributors. See the live community dashboard.

Cite this report

The numbers in this report are frozen at publication, so it is safe to cite as a fixed, dated snapshot.

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APA

Champlin Enterprises. (2026). State of AI Cost, September 2026 [Report]. MyTokenTracker. Retrieved September 20, 2026, from https://mytokentracker.io/reports/state-of-ai-cost-2026-09

BibTeX
@misc{mtt-report-state-of-ai-cost-2026-09,
  title        = {State of AI Cost, September 2026},
  author       = {{Champlin Enterprises}},
  year         = {2026},
  howpublished = {MyTokenTracker, \url{https://mytokentracker.io/reports/state-of-ai-cost-2026-09}},
  note         = {Accessed September 20, 2026. Licensed CC BY 4.0.},
  url          = {https://mytokentracker.io/reports/state-of-ai-cost-2026-09}
}

Need a fixed point in time? Every day’s data is permanently archived in the open-data repository, so you can cite a specific date by linking that day’s committed file.