Gemini 2.5 Flash (Reasoning) API Pricing

Google · released 2025-05-20

Also searched as: Gemini 2.5 Flash pricing · 2.5 Flash price

Gemini 2.5 Flash (Reasoning) price

$0.30
input / 1M tokens
0.030¢ / 1K
$2.50
output / 1M tokens
0.250¢ / 1K
$0.85
blended / 1M tokens
0.085¢ / 1K

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out0.09¢
RAG query4,000 in / 500 out0.245¢
Long document summary50,000 in / 1,000 out$0.0175
Code review of a 2k-line file30,000 in / 2,000 out$0.0140
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$27.00

Cost = (input tokens ÷ 1,000,000 × $0.30) + (output tokens ÷ 1,000,000 × $2.50).

Benchmarks

13.1
Intelligence
#211 of 547
—
Coding
73.3
Math
#79 of 249
—
Tokens/sec
—
Time to first token

Similar intelligence, lower price

ModelIntelligenceBlended $/1M
Qwen3.5 4B (Reasoning)13.1$0.06
Nemotron 3.5 Lightning12.9$0.095
Granite 4.2 8B11.1$0.107
GPT-5 nano (High)13.0$0.138
Gemma 4 12B (Reasoning)14.2$0.15

Leaderboard neighbours

ModelIntelligenceBlended $/1M
EXAONE 4.5 33B (Reasoning)13.2—
Command A+13.1—
DeepSeek R1 0528 (May '25)13.1$1.763
Gemini 2.5 Flash (Reasoning)13.1$0.85
Qwen3.5 4B (Reasoning)13.1$0.06
GPT-5 nano (High)13.0$0.138
Nemotron 3.5 Lightning12.9$0.095

More from Google

ModelIntelligenceBlended $/1M
Gemini 4 Argon (High)52.6$4.00
Gemini 3.8 Flash (High)40.9$1.50
Gemini 3.7 Flash (Medium)39.6$1.50
Gemini 3.6 Flash (High)34.0$1.50
Gemini 3.5 Flash (Medium)33.6$3.375
Gemini 3.1 Pro Preview29.7$4.50
Gemini 3 Pro Preview (High)28.0$4.50
Gemini 3 Flash Preview (Reasoning)26.3$1.125

Count tokens & estimate cost for Gemini 2.5 Flash (Reasoning) See Gemini 2.5 Flash (Reasoning) on the leaderboard

Source: Artificial Analysis · last synced 2026-10-15

FAQ

Who develops Gemini 2.5 Flash (Reasoning)?

Gemini 2.5 Flash (Reasoning) is developed by Google, released 2025-05-20.

How much does Gemini 2.5 Flash (Reasoning) cost per million tokens?

Gemini 2.5 Flash (Reasoning) costs $0.30 per 1M input tokens and $2.50 per 1M output tokens ($0.85 blended), per Artificial Analysis's official pricing data.

What is the Gemini 2.5 Flash (Reasoning) API price?

The Gemini 2.5 Flash (Reasoning) API price is $0.30 per 1M input tokens and $2.50 per 1M output tokens ($0.85 per 1M blended).

How much does Gemini 2.5 Flash (Reasoning) cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about 0.09¢ on Gemini 2.5 Flash (Reasoning), at $0.30/1M input and $2.50/1M output.

Is Gemini 2.5 Flash (Reasoning) free?

Gemini 2.5 Flash (Reasoning)'s official API list price is $0.30 per 1M input tokens and $2.50 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Google's site for those.

How does Gemini 2.5 Flash (Reasoning) rank on benchmarks?

Gemini 2.5 Flash (Reasoning) scores 13.1 on the Artificial Analysis Intelligence Index, ranking #211 of 547 models we track.

Is there a cheaper model with similar intelligence to Gemini 2.5 Flash (Reasoning)?

Yes — Qwen3.5 4B (Reasoning) scores similar intelligence (13.1) at $0.06/1M blended, versus $0.85/1M for Gemini 2.5 Flash (Reasoning).

Where does this data come from?

Pricing and benchmark data for Gemini 2.5 Flash (Reasoning) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.