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Google adds contributor-tier pricing for gemini-3.1-pro-preview, gemini-3.1-pro-preview-customtools and gemini-3.5-flash-lite
New contributor-tier SKUs on Google's pricing page: gemini-3.1-pro-preview and gemini-3.1-pro-preview-customtools at input $1.00, cached_input $0.10 and output $6.00 per MTok (prompts <= 200k tokens; $2.00 input and $9.00 output above that), and gemini-3.5-flash-lite at input $0.15, cached_input $0.015 and output $1.25. Together with the gemini-4-argon and gemini-3.8-flash rows in the same fetch, the contributor tier now spans Google's pro, flash and flash-lite lines.
ai.google.devd130d017cf2648ef57b33c17f8b8f3a0196c9b53fa27d33ed14f2da710a62890
Cited change rows
Every field of every cited row, before and after.
| field | before | after |
|---|---|---|
| cached_input_per_mtok | ∅ | 0.0375 |
| context_window | ∅ | ∅ |
| currency | ∅ | USD |
| effective_from | ∅ | ∅ |
| effective_until | ∅ | 2027-01-01 |
| input_per_mtok | ∅ | 0.375 |
| model_slug | ∅ | gemini-3.8-flash |
| notes | ∅ | input: $0.375 through December 31, 2026. | $0.75 starting January 1, 2027.; cached_input: $0.0375 through December 31, 2026. | $0.075 starting January 1, 2027. | $0.50 / 1,000,000 tokens per hour (storage price) through December 31, 2026. | $1.00 / 1,000,000 tokens per hour (storage price) starting January 1, 2027.; output: $1.875 through December 31, 2026. | $3.75 starting January 1, 2027. |
| output_per_mtok | ∅ | 1.875 |
| provider | ∅ | |
| tier | ∅ | contributor |
| field | before | after |
|---|---|---|
| cached_input_per_mtok | ∅ | 0.05 |
| context_window | ∅ | ∅ |
| currency | ∅ | USD |
| effective_from | ∅ | ∅ |
| effective_until | ∅ | 2026-12-01 |
| input_per_mtok | ∅ | 1 |
| model_slug | ∅ | gemini-4-argon |
| notes | ∅ | input: $1.00 through November 30, 2026. | $2.00 starting December 1, 2026.; cached_input: $0.05 through November 30, 2026. | $0.10 starting December 1, 2026. | Implicit caching only (explicit caching is not supported).; output: $5.00 through November 30, 2026. | $10.00 starting December 1, 2026. |
| output_per_mtok | ∅ | 5 |
| provider | ∅ | |
| tier | ∅ | contributor |
| field | before | after |
|---|---|---|
| cached_input_per_mtok | ∅ | 0.1 |
| context_window | ∅ | ∅ |
| currency | ∅ | USD |
| effective_from | ∅ | ∅ |
| effective_until | ∅ | ∅ |
| input_per_mtok | ∅ | 1 |
| model_slug | ∅ | gemini-3.1-pro-preview |
| notes | ∅ | input: $1.00, prompts <= 200k tokens | $2.00, prompts > 200k tokens; cached_input: $0.10, prompts <= 200k tokens | $0.20, prompts > 200k tokens | $4.50 / 1,000,000 tokens per hour (storage price); output: $6.00, prompts <= 200k tokens | $9.00, prompts > 200k tokens |
| output_per_mtok | ∅ | 6 |
| provider | ∅ | |
| tier | ∅ | contributor |
| field | before | after |
|---|---|---|
| cached_input_per_mtok | ∅ | 0.1 |
| context_window | ∅ | ∅ |
| currency | ∅ | USD |
| effective_from | ∅ | ∅ |
| effective_until | ∅ | ∅ |
| input_per_mtok | ∅ | 1 |
| model_slug | ∅ | gemini-3.1-pro-preview-customtools |
| notes | ∅ | input: $1.00, prompts <= 200k tokens | $2.00, prompts > 200k tokens; cached_input: $0.10, prompts <= 200k tokens | $0.20, prompts > 200k tokens | $4.50 / 1,000,000 tokens per hour (storage price); output: $6.00, prompts <= 200k tokens | $9.00, prompts > 200k tokens |
| output_per_mtok | ∅ | 6 |
| provider | ∅ | |
| tier | ∅ | contributor |
| field | before | after |
|---|---|---|
| cached_input_per_mtok | ∅ | 0.015 |
| context_window | ∅ | ∅ |
| currency | ∅ | USD |
| effective_from | ∅ | ∅ |
| effective_until | ∅ | ∅ |
| input_per_mtok | ∅ | 0.15 |
| model_slug | ∅ | gemini-3.5-flash-lite |
| notes | ∅ | input: $0.15 (text / image / video / audio); cached_input: $0.015 | $1.00 / 1,000,000 tokens per hour (storage price) |
| output_per_mtok | ∅ | 1.25 |
| provider | ∅ | |
| tier | ∅ | contributor |