Gemini 4 Hydrogen API pricing
Official Google list price, last checked Nov 14, 2026. Updated Nov 14, 2026.
Gemini 4 Hydrogen costs $1.50 per 1M input tokens and $7.50 per 1M output tokens, cached input at $0.075, and a 1M-token context window, per Google's official pricing page (checked Nov 14, 2026). It's a premium-priced model: number 58 of 84 by blended price ($3 per 1M tokens at a 3 to 1 input to output mix). On LMArena's Code Arena it ranks #8 of 53 models we price (relative score 53 out of 100). Nothing cheaper scores close to it on that board; DeepSeek V4.1 Flash is the nearest cheaper option.
Gemini 4 Hydrogen price per million tokens
| Gemini 4 Hydrogen price per million tokens | USD |
|---|---|
| Input | $1.50 |
| Cached input | $0.075 |
| Output | $7.50 |
| Blended, 3 parts input to 1 part output | $3 |
| Context window | 1M tokens |
Official note from Google: Flat price across the 1M window. Implicit caching only (explicit caching is not supported). No intro promo. Free tier is free of charge and rate-limited.
What Gemini 4 Hydrogen costs for real work
List-price estimates for a month, no discounts. Our math, not a quote: change the token counts in the plan vs API calculator.
| Workload | Tokens a month | Gemini 4 Hydrogen | Qwen3.8 Max | DeepSeek V4.1 Flash |
|---|---|---|---|---|
| Light: a side project or personal assistant | 2M in, 0.5M out | $6.75 | $7.00 | $1.20 |
| Medium: a small team or one product feature | 20M in, 5M out | $67.50 | $70.00 | $12.00 |
| Heavy: a production app | 200M in, 50M out | $675 | $700 | $120 |
| Medium with 80% of input cached | 20M in (16M cached), 5M out | $44.70 | n/a | $7.30 |
How Gemini 4 Hydrogen ranks on LMArena
Relative score: 100 is the top model we price on that board. Rank is among the models in our price table, not the full leaderboard.
| Board | Rank | Score /100 |
|---|---|---|
| Coding (Code Arena) | #8 of 53 | 53 |
| Chat (Text Arena) | #8 of 54 | 35 |
| Creative writing (Text Arena creative writing) | #4 of 54 | 60 |
| Roleplay and characters (Text Arena multi-turn) | #19 of 54 | 0 |
| Reasoning and math (Text Arena math) | #13 of 52 | 36 |
Closest rivals to Gemini 4 Hydrogen
The models nearest in price, other makers first. Ranks are on Code Arena, where we have them.
| Model | In / out | Blended | Verdict |
|---|---|---|---|
| Qwen3.8 Max | $2 / $6 | $3 | Gemini 4 Hydrogen wins: same price, higher score. Compare |
| Qwen3.8 2.4T-A95B | $2 / $6 | $3 | Same price, no score to separate them. Compare |
| Mistral Medium 3.5 | $1.50 / $7.50 | $3 | Gemini 4 Hydrogen wins: same price, higher score. Compare |
| Grok 4.7 | $2 / $6 | $3 | Gemini 4 Hydrogen wins: same price, higher score. Compare |
Cheaper alternatives to Gemini 4 Hydrogen
At least 40% cheaper blended, best LMArena score first.
| Model | In / out | Blended | Verdict |
|---|---|---|---|
| DeepSeek V4.1 Flash | $0.30 / $1.20 | $0.525 | DeepSeek V4.1 Flash for price, Gemini 4 Hydrogen for quality. Compare |
| MiMo-V2.6 Flash | $0.14 / $0.28 | $0.175 | MiMo-V2.6 Flash for price, Gemini 4 Hydrogen for quality. Compare |
| Hunyuan Hy4 Preview | $0.834 / $2.50 | $1.25 | Hunyuan Hy4 Preview for price, Gemini 4 Hydrogen for quality. Compare |
More from Google
- Gemini 4 Carbon$2 in, $10 out per 1M
- Gemini 4 Argon$2 in, $10 out per 1M
- Gemini 3.8 Flash$0.75 in, $3.75 out per 1M
- Gemini 3.1 Pro Preview$2 in, $12 out per 1M
- Gemini 3.5 Flash-Lite$0.30 in, $2.50 out per 1M
FAQ
How much does the Gemini 4 Hydrogen API cost per million tokens?
$1.50 per 1M input tokens and $7.50 per 1M output tokens, plus $0.075 per 1M for cached input, as of Nov 14, 2026. A typical 3 to 1 input to output mix works out to $3 per 1M tokens.
Does Gemini 4 Hydrogen charge more for long prompts?
Google doesn't list a long-prompt surcharge for Gemini 4 Hydrogen. Its pricing note says: Flat price across the 1M window. Implicit caching only (explicit caching is not supported). No intro promo. Free tier is free of charge and rate-limited.
Is Gemini 4 Hydrogen cheaper than Qwen3.8 Max?
Yes. A medium month (20M input and 5M output tokens) costs $67.50 on Gemini 4 Hydrogen and $70.00 on Qwen3.8 Max at list price. On Code Arena, Gemini 4 Hydrogen ranks #8 and Qwen3.8 Max #13.
How does Gemini 4 Hydrogen rank on LMArena?
On Code Arena it is #8 of 53 models we price, with a relative score of 53 out of 100. It ranks on 5 of 8 boards we track.
What is a cheaper alternative to Gemini 4 Hydrogen?
DeepSeek V4.1 Flash costs $0.30 in and $1.20 out per 1M tokens, about 5.7x less blended, and scores 38 on Code Arena against 53 for Gemini 4 Hydrogen.
Where does this Gemini 4 Hydrogen price come from?
From Google's official pricing page, which we check every day. This page was last checked Nov 14, 2026.