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Overage / Compare / LLM APIs

AI21 Labs vs Google Gemini API pricing

Verified 2026-10-23 (2 days ago)Source: AI21 Labs: www.ai21.com/pricing, Google Gemini API: ai.google.dev/gemini-api/docs/pricingVerified shows the older of the two.

Monthly cost at three volumes

Monthly cost of AI21 Labs and Google Gemini API at three volumes and at your own
VolumeAI21 LabsGoogle Gemini API
small1M input, 200K output$0.28 / moJamba Mini$0.18 / moGemini 2.5 Flash-Lite
growing50M input, 10M output$14 / moJamba Mini$9 / moGemini 2.5 Flash-Lite
scale1B input, 200M output$280 / moJamba Mini$180 / moGemini 2.5 Flash-Lite
your volumeset above$14 / moJamba Mini$9 / moGemini 2.5 Flash-Lite

Each cell is the cheapest feasible plan, or the chosen model, at that volume, from the shared Overage cost function. "Cheapest model" only considers models with both an input and an output price listed. Volumes are example scenarios you can edit.

Cheapest model per service, USD per 1M tokens

Cheapest priced model of each service
ServiceCheapest modelInputOutputModels listed
AI21 LabsJamba Mini$0.20$0.402
Google Gemini APIGemini 2.5 Flash-Lite$0.10$0.4037

Every model

Every model of both services, USD per 1M tokens
ModelServiceInputOutput
Jamba MiniAI21 Labs$0.20$0.40
Jamba LargeAI21 Labs$2$8
Gemini 2.5 Flash-LiteGoogle Gemini API$0.10$0.40
Gemini Embedding 2Google Gemini API$0.20unlisted
Gemini 3.1 Flash-LiteGoogle Gemini API$0.25$1.50
Gemini 3.1 Flash Lite Image (Nano Banana 2 Lite)Google Gemini API$0.25$1.50
Gemini 3.5 Flash-LiteGoogle Gemini API$0.30$2.50
Gemini 3.8 Flash (Flex)Google Gemini API$0.375$1.875
Gemini 3.6 Flash (Flex)Google Gemini API$0.375$1.875
Gemini 3.1 Flash Image (Nano Banana 2)Google Gemini API$0.50$3
Gemini 3.8 Flash TTSGoogle Gemini API$0.50unlisted
Gemini 3.8 Flash-Lite TTSGoogle Gemini API$0.50unlisted
Gemini 3 Flash PreviewGoogle Gemini API$0.50$3
Gemini 2.5 Flash Native Audio (Live API)Google Gemini API$0.50$2
Gemini 2.5 Flash Preview TTSGoogle Gemini API$0.50unlisted
Gemini 3.8 Flash (Standard)Google Gemini API$0.75$3.75
Gemini 3.6 Flash (Standard)Google Gemini API$0.75$3.75
Gemini 3.8 LiveGoogle Gemini API$0.75$4.50
Gemini 3.8 Live Extended ThinkingGoogle Gemini API$0.75$4.50
Gemini 3.1 Flash Live PreviewGoogle Gemini API$0.75$4.50
Gemini 4 Argon (Flex)Google Gemini API$1$5
Gemini 3.1 Flash TTS PreviewGoogle Gemini API$1unlisted
Gemini 2.5 Pro Preview TTSGoogle Gemini API$1unlisted
Gemini Robotics ER 2 PreviewGoogle Gemini API$1$5
Gemini Robotics ER 2 Streaming PreviewGoogle Gemini API$1$5
Gemini 2.5 Pro (prompt <=200k tokens)Google Gemini API$1.25$10
Gemini 3.8 Flash (Priority)Google Gemini API$1.35$6.75
Gemini 3.6 Flash (Priority)Google Gemini API$1.35$6.75
Gemini Omni FlashGoogle Gemini API$1.50$9
Gemini Nano Banana 2.1Google Gemini API$1.50$7.50
Gemini 4 Argon (Standard)Google Gemini API$2$10
Gemini 3.1 Pro Preview (prompt <=200K tokens)Google Gemini API$2$12
Gemini 2.5 Pro (prompt >200k tokens)Google Gemini API$2.50$15
Gemini 4 Argon (Priority)Google Gemini API$3.60$18
Gemini 3.1 Pro Preview (prompt >200K tokens)Google Gemini API$4$18
Gemini 4 Argon (Batch)Google Gemini APIunlistedunlisted
Gemini 3.8 Flash (Batch)Google Gemini APIunlistedunlisted
Gemini 3.6 Flash (Batch)Google Gemini APIunlistedunlisted
Gemini 3 Pro Image (Nano Banana Pro)Google Gemini APIunlisted$12

Models are compared by name and price, never by position. Pick one model per service, or "Cheapest model", in the cost table above.

Tiers, aligned by position

Tiers of AI21 Labs and Google Gemini API aligned by position: free, entry, mid, top
PositionAI21 LabsGoogle Gemini API
Free$0 onceFree Trial$0 / moFree
EntryunlistedPay As You GoContact salesEnterprise
Midno tierno tier
TopContact salesCustom Planno tier

Tightest rate limit

Tightest documented rate limit of each service
MeasureAI21 LabsGoogle Gemini API
Tightest limitunlistedunlisted

Changes in the last 90 days

No changes recorded.

No change detected for either service in the last 90 days.