Google · Efficient
Gemini 2.5 Flash Lite Preview (09/2025)
Deprecated compatibility alias. Requests route to the stable Gemini 2.5 Flash Lite model.
- Reasoning
- Tools
- Vision
- Structured output
- PDF input
- Audio input
- Input
- Text, Images, Audio
- Output
- Text
- Reasoning effort
- low · medium · high
- Discovery tier
- Efficient
Pricing
USD per 1M tokens- Input
- $0.10
- Output
- $0.40
- Cache read
- $0.01
Reference prices as published by the model provider. API example
Specifications
- Context window
- 1M
- Max output
- 65.5K
Side by side
Gemini 2.5 Flash Lite Preview (09/2025) compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| Gemini 2.5 Flash Lite Preview (09/2025)GoogleThis model | Llama 4 MaverickMetaRemove | |
|---|---|---|
| Provider | Meta | |
| Discovery tier | Efficient | Open weights |
| Added | Sep 25, 2025 | Sep 5, 2025 |
| Limits | ||
| Context window | 1.05M | 1.05M |
| Max output | 65.54K | 65.54K |
| Average output | — | 114 tokens |
| Pricing, USD per 1M tokens | ||
| Input | $0.10Best | $0.19 |
| Output | $0.40Best | $0.65 |
| Cache read | $0.01Best | $0.05 |
| Performance | ||
| Throughput | — | 15.4 tok/s |
| Time to first token | — | 1.0 s |
| Request success (24h) | 99.5% | 99.6%Best |
| Benchmark indexes | ||
| Intelligence Index | 9.3 | 9.3 |
| Coding Index | — | 16.3 |
| Math Index | 46.7Best | 19.3 |
| Capabilities | ||
| Reasoning | Yes | No |
| Tools | Yes | Yes |
| Vision | Yes | Yes |
| Structured output | Yes | Yes |
| PDF input | Yes | No |
| Audio input | Yes | No |
| Reasoning effort | low, medium, high | — |
Public evaluations
Benchmarks
Independent evaluation results, with how each score ranks among the models in the Noumen catalog.
- Gemini 2.5 Flash Lite Preview (09/2025)
- Llama 4 Maverick
Intelligence Index
- Gemini 2.5 Flash Lite Preview (09/2025)9.3
- Llama 4 Maverick9.3
Gemini 2.5 Flash Lite Preview (09/2025): Better than 18% of 326 scored models
Indexes
Coding Index
Composite of the coding evaluations
- Gemini 2.5 Flash Lite Preview (09/2025): —
- Llama 4 Maverick: 16.3
Math Index
Composite of the math evaluations
- Gemini 2.5 Flash Lite Preview (09/2025): 46.7Top
- Llama 4 Maverick: 19.3
Agentic work
AutomationBench-AA
Workflow automation, penalized for guardrail violations
- Gemini 2.5 Flash Lite Preview (09/2025): —
- Llama 4 Maverick: 0.2%
AutomationBench-AA tasks completed
Workflows finished end to end without a guardrail violation
- Gemini 2.5 Flash Lite Preview (09/2025): —
- Llama 4 Maverick: 0.0%
Document reasoning
GDP.pdf
Professional reasoning over PDF documents, all-pass rate
- Gemini 2.5 Flash Lite Preview (09/2025): —
- Llama 4 Maverick: 0.8%
AA-LCRv1.1
Reasoning across long documents
- Gemini 2.5 Flash Lite Preview (09/2025): 49.7%
- Llama 4 Maverick: 50.0%Top
Reasoning and knowledge
Humanity’s Last Exam
Expert-level questions across academic fields
- Gemini 2.5 Flash Lite Preview (09/2025): 5.1%Top
- Llama 4 Maverick: 4.9%
GPQA Diamond
Graduate-level science questions
- Gemini 2.5 Flash Lite Preview (09/2025): 65.1%
- Llama 4 Maverick: 67.1%Top
MMLU-Pro
Multi-subject knowledge and reasoning
- Gemini 2.5 Flash Lite Preview (09/2025): 79.6%
- Llama 4 Maverick: 80.9%Top
IFBench
Following precise output instructions
- Gemini 2.5 Flash Lite Preview (09/2025): 41.8%
- Llama 4 Maverick: 43.0%Top
Coding
Terminal-Benchv4.0
Practical software engineering in a terminal
- Gemini 2.5 Flash Lite Preview (09/2025): —
- Llama 4 Maverick: 0.0%
SciCode
Scientific computing in Python
- Gemini 2.5 Flash Lite Preview (09/2025): —
- Llama 4 Maverick: 31.7%
LiveCodeBench
Recent competitive programming problems
- Gemini 2.5 Flash Lite Preview (09/2025): 64.1%Top
- Llama 4 Maverick: 39.7%
Math
AIME 2025
Competition mathematics, 2025 problems
- Gemini 2.5 Flash Lite Preview (09/2025): 46.7%Top
- Llama 4 Maverick: 19.3%
AIME
Competition mathematics
- Gemini 2.5 Flash Lite Preview (09/2025): —
- Llama 4 Maverick: 39.0%
MATH-500
Competition math problems
- Gemini 2.5 Flash Lite Preview (09/2025): —
- Llama 4 Maverick: 88.9%
Legacy evaluations
Terminal-Bench Hard
Earlier terminal task suite
- Gemini 2.5 Flash Lite Preview (09/2025): 7.6%Top
- Llama 4 Maverick: 6.8%
τ²-Bench Telecom
Tool use in a customer-support simulation
- Gemini 2.5 Flash Lite Preview (09/2025): 30.4%Top
- Llama 4 Maverick: 17.8%
AA-LCR (unversioned)
Long-context reasoning, earlier grading
- Gemini 2.5 Flash Lite Preview (09/2025): 49.7%
- Llama 4 Maverick: 50.0%Top
Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis
Live routing data
Performance and reliability
Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.
- Prompt cache hits
- 0.0%
- About $0.10 per 1M input tokens with caching
- Request success (24h)
- 99.5%
- Reliable
Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.
- Healthy (98% or more)
- Degraded (90–98%)
- Down (under 90%)
- No requests
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-2.5-flash-lite-preview-09-2025",
"reasoning_effort": "medium",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="gemini-2.5-flash-lite-preview-09-2025",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)Related models
Other Google models, starting with the same family.