lmprices

AI model API prices, and every time they changed

What 126 OpenAI, Anthropic and Google models cost per 1M tokens, what they used to cost, and when that changed. Every price links to the provider's official page.

Announced

Price changes the providers have announced that haven't taken effect yet.

Announced changes that haven't taken effect
ModelWhenChangeBlended 3:1InputOutput
Gemini 3.8 FlashGoogleChanges on +100%$1.50 →$3.00$0.75 →$1.50$3.75 →$7.50
Gemini 3.7 FlashGoogleChanges on +100%$1.50 →$3.00$0.75 →$1.50$3.75 →$7.50
Gemini 3.6 FlashGoogleChanges on +100%$1.50 →$3.00$0.75 →$1.50$3.75 →$7.50

Last 90 days

4 verified price moves and 15 launches since . The blended price weights input and output 3:1.

Price moves and launches in the last 90 days
ModelWhenChangeBlended 3:1InputOutput
GPT-6.1 TerraOpenAILaunch$2.00$1.00$5.00
Claude Haiku 5.5AnthropicLaunch$0.20$0.10$0.50
Claude Sonnet 5.5Anthropic▼ CutCached input $0.20 →$0.10$4.00$2.00$10.00
GPT Rosalind Research restricted accessOpenAILaunch$10.00$5.00$25.00
GPT-6.1 SolOpenAILaunch$4.00$2.00$10.00
Claude Sonnet 5.5AnthropicLaunch$4.00$2.00$10.00
Claude Opus 5.5AnthropicLaunch$8.00$4.00$20.00
GPT-6 LunaOpenAILaunch$0.20$0.10$0.50
GPT-6 SolOpenAILaunch$4.00$2.00$10.00
GPT-6 AstraOpenAILaunch$20.00$10.00$50.00
Gemini 3.8 FlashGoogleLaunch$1.50$0.75$3.75
Claude Fable 5.1AnthropicLaunch$20.00$10.00$50.00
Claude Mythos 5.1 restricted accessAnthropicLaunch$20.00$10.00$50.00
Gemini Omni 1.1 FlashGoogleLaunch$3.375$1.50$9.00
GPT-5.6OpenAI−28.9%$11.25 →$8.00$5.00 →$4.00$30.00 →$20.00
GPT-5.6 SolOpenAI−28.9%$11.25 →$8.00$5.00 →$4.00$30.00 →$20.00
Gemini 3.6 FlashGooglefirst seen between and −50%$3.00 →$1.50$1.50 →$0.75$7.50 →$3.75
Gemini 3.7 FlashGoogleLaunch$1.50$0.75$3.75
GPT-5.6 Cyber restricted accessOpenAILaunch$28.125$12.50$75.00

Earlier moves

Changes to the headline input or output price since . Cache-only and long-context changes are on the changes page.

Earlier headline price moves
ModelWhenChangeBlended 3:1InputOutput
GPT-5.6 LunaOpenAI−80%$2.25 →$0.45$1.00 →$0.20$6.00 →$1.20
GPT-5.6 TerraOpenAI−20%$5.625 →$4.50$2.50 →$2.00$15.00 →$12.00
GPT-5.5 Cyber restricted accessOpenAIfirst seen between and −37.5%$45.00 →$28.125$20.00 →$12.50$120.00 →$75.00
Gemini Flash LatestGoogle+200%$1.125 →$3.375$0.50 →$1.50$3.00 →$9.00
Gemini Flash LatestGoogle+32.4%$0.85 →$1.125$0.30 →$0.50$2.50 →$3.00
o3OpenAI−80%$17.50 →$3.50$10.00 →$2.00$40.00 →$8.00
o1-miniOpenAIfirst seen between and −63.3%$5.25 →$1.925$3.00 →$1.10$12.00 →$4.40
Claude Haiku 3.5Anthropic−20%$2.00 →$1.60$1.00 →$0.80$5.00 →$4.00
GPT-4oOpenAIfirst seen between and −41.7%$7.50 →$4.375$5.00 →$2.50$15.00 →$10.00
Gemini 1.5 ProGoogle−58.3%$5.25 →$2.1875$3.50 →$1.25$10.50 →$5.00
Gemini 1.5 FlashGoogle−75%$0.525 →$0.13125$0.35 →$0.075$1.05 →$0.30
GPT-3.5 TurboOpenAI (exact day not documented)−53.8%$1.625 →$0.75$1.50 →$0.50$2.00 →$1.50
Claude Instant 1Anthropicfirst seen between and −53.8%$2.60 →$1.20$1.63 →$0.80$5.51 →$2.40
Claude 2.0Anthropic−27%$16.435 →$12.00$11.02 →$8.00$32.68 →$24.00
GPT-3.5 TurboOpenAI−18.8%$2.00 →$1.625$2.00 →$1.50$2.00
GPT-3.5 Turbo 0301OpenAIfirst seen between and −18.8%$2.00 →$1.625$2.00 →$1.50$2.00