Google · Released Jun 17, 2025

Gemini 2.5 Flash

Gemini 2.5 Flash is Google's state-of-the-art workhorse model, specifically designed for advanced reasoning, coding, mathematics, and scientific tasks. It includes built-in "thinking" capabilities, enabling it to provide responses with…

ReasoningVision
Released
Jun 17 2025
Context window
1M 66K out
Input / 1M tokens
$0.30 from $0.15
Output / 1M tokens
$2.50 from $1.25

Where to run it

2 providers compared

Cheapest: Google AI Studio at $0.15 / $1.25 per 1M input / output tokens — 72% less than the priciest option.

ProviderInputOutputCache readContextMax outputUptimevs. best
Google AI Studio $0.15 $1.25 $0.0151M66K100%24h Cheapest
Googleglobal $0.30 $2.50 $0.031M66K100%24h +100%
Google AI Studio $0.30 $2.50 $0.031M66K100%24h +100%
Googleeu $0.30 $2.50 $0.031M66K99.7%24h +100%
Google $0.30 $2.50 $0.031M66K54.2%24h +100%
Googleglobal/priority $0.54 $4.50 $0.0541M66K100%24h +260%
Google AI Studiopriority $0.54 $4.50 $0.0541M66K100%24h +260%

Value

Price vs. performance

11 models score higher for the same price or lesson Terminal-Bench, e.g. GPT-5.1-Codex-Mini.
3.4%30.5%57.6%84.7% $0.01$0.10$1.00$10.00$100.00 Qwen3.6 35B A3B (Qwen) — 24.6% · $0.10/1M in GPT-5.5 (OpenAI) — 84.7% · $5.00/1M in Claude Opus 4.7 (Anthropic) — 80.2% · $5.00/1M in Grok 4.20 (xAI) — 57.3% · $1.25/1M in MiniMax M2.7 (MiniMax) — 45.1% · $0.30/1M in Qwen3.5-9B (Qwen) — 9.2% · $0.10/1M in GPT-5.4 (OpenAI) — 81.8% · $2.50/1M in GPT-5.3-Codex (OpenAI) — 78.4% · $1.75/1M in Claude Sonnet 4.6 (Anthropic) — 53.4% · $3.00/1M in MiniMax M2.5 (MiniMax) — 42.7% · $0.27/1M in GLM 5 (Z.ai) — 52.4% · $0.60/1M in Claude Opus 4.6 (Anthropic) — 79.8% · $5.00/1M in Kimi K2.5 (Moonshot AI) — 43.2% · $0.50/1M in GPT-5.2-Codex (OpenAI) — 66.5% · $1.75/1M in MiniMax M2.1 (MiniMax) — 36.6% · $0.30/1M in GLM 4.7 (Z.ai) — 33.4% · $0.54/1M in GPT-5.2 (OpenAI) — 64.9% · $1.75/1M in GPT-5.1-Codex-Max (OpenAI) — 60.5% · $1.25/1M in DeepSeek V3.2 (DeepSeek) — 39.6% · $0.28/1M in Claude Opus 4.5 (Anthropic) — 63.1% · $5.00/1M in GPT-5.1 (OpenAI) — 47.6% · $1.25/1M in GPT-5.1-Codex (OpenAI) — 57.8% · $1.25/1M in GPT-5.1-Codex-Mini (OpenAI) — 61.6% · $0.25/1M in Kimi K2 Thinking (Moonshot AI) — 35.7% · $0.60/1M in MiniMax M2 (MiniMax) — 30.0% · $0.26/1M in Claude Haiku 4.5 (Anthropic) — 35.5% · $1.00/1M in GLM 4.6 (Z.ai) — 24.5% · $0.55/1M in Claude Sonnet 4.5 (Anthropic) — 46.5% · $3.00/1M in DeepSeek V3.2 Exp (DeepSeek) — 39.6% · $0.27/1M in GPT-5 (OpenAI) — 49.6% · $1.25/1M in GPT-5 Mini (OpenAI) — 34.8% · $0.25/1M in GPT-5 Nano (OpenAI) — 21.8% · $0.05/1M in gpt-oss-120b (OpenAI) — 18.7% · $0.15/1M in gpt-oss-20b (OpenAI) — 3.4% · $0.018/1M in Claude Opus 4.1 (Anthropic) — 38.0% · $15.00/1M in Gemini 3.1 Pro Preview (Google) — 80.2% · $2.00/1M in Gemini 3 Flash Preview (Google) — 64.3% · $0.50/1M in Gemini 2.5 Pro (Google) — 32.6% · $1.25/1M in Gemini 2.5 Pro Preview 06-05 (Google) — 32.6% · $1.25/1M in Gemini 2.5 Flash (Google) — 17.1% · $0.30/1M in Gemini 2.5 Flash

Gemini 2.5 Flash Other Google Other labs Value frontier · Terminal-Bench vs. input price per 1M tokens (log scale) · Drag to pan, pinch or Ctrl + scroll to zoom, double-click to zoom in.

Benchmarks

6 benchmark scores

BenchmarkScoreRankLeader
Terminal-BenchSoftware engineering · Tasks completed with the programs in a real terminal (best agent) 17.1% #38of 40 GPT-5.584.7%
Vending-Bench 2Agents & computer use · Run a simulated vending business for a year (final balance) $549 #52of 61 GPT-6 Astra$15,515
SpatialViz-BenchDesign & visual · Mental rotation, folding and other spatial puzzles 36.9% #3of 3 Gemini 2.5 Pro44.7%
SimpleBenchReasoning & knowledge · Common-sense trick questions about space, time and people 41.2% #38of 43 Claude Fable 581.9%
CritPtReasoning & knowledge · Open-ended, research-level physics problems 1.1% #80of 96 GPT-5.6 Sol32.3%
LMCAReasoning & knowledge · Judge the quality of conceptual arguments like experts 27.5% #84of 96 Claude Sonnet 5.568.3%

Specs

Details

Model ID
google/gemini-2.5-flash
Developer
Google
Release date
Jun 17, 2025 ·
Context window
1,048,576 tokens
Max output
65,535 tokens
API price
$0.30 / $2.50 per 1M input / output tokens
Providers
2
Input types
file, image, text, audio, video
Reasoning
Yes
Tool calling
Yes
Open weights
No
Free tier
No

Release date, prices and providers from OpenRouter's catalog; buying directly from a provider can cost a little differently. Uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.