Gemini 2.5 Flash-Lite vs GPT-6 Astra
Benchmarks, API Token Pricing, Context Window & Speed Comparison
Related topics (4)
Compare Gemini 2.5 Flash-Lite by Google against GPT-6 Astra by OpenAI across real-world coding, reasoning, token economics, and latency.
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Gemini 2.5 Flash-Lite
深度推理模型Google 推出的 Gemini 2.5 Flash-Lite 人工智能模型，具备 1.0M 上下文窗口，输入价格为 $0.1/百万 Token，输出价格为 $0.4/百万 Token，专为高质量生产环境、推理与自动化工作流打造。
$0.10 / 1M
$0.40 / 1M
1.05M tokens
N/A
GPT-6 Astra
深度推理模型OpenAI 推出的 GPT-6 Astra 人工智能模型，具备 1M 上下文窗口，输入价格为 $10.0/百万 Token，输出价格为 $50.0/百万 Token，专为高质量生产环境、推理与自动化工作流打造。
$10.00 / 1M
$50.00 / 1M
272K tokens
82.4%
核心差异一览
- Gemini 2.5 Flash-Lite is 112.3x cheaper for API usage (input + output tokens combined).
- Gemini 2.5 Flash-Lite has a larger context window (1M vs 272K tokens).
- Gemini 2.5 Flash-Lite is faster at 220 tok/s vs 100 tok/s.
| Feature | Gemini 2.5 Flash-Lite | GPT-6 Astra |
|---|---|---|
Intelligence Index Composite reasoning & knowledge score (0-100) | 56 | 96 |
Provider | OpenAI | |
Input Price Cost per million input tokens | $0.10 / 1M | $10.00 / 1M |
Output Price Cost per million output tokens | $0.40 / 1M | $50.00 / 1M |
Blended Price Weighted 7:2:1 cache:input:output per 1M | $0.08 / 1M | $7.70 / 1M |
Context Window Maximum input + output tokens | 1.05M tokens~1,573 A4 pages of text | 272K tokens~408 A4 pages of text |
Max Output Tokens Per single request | 33K | 128K |
Throughput Speed Tokens generated per second | 220 tok/s | 100 tok/s |
SWE-bench Verified Real-world software engineering | N/A | 82.4% |
GPQA Diamond Graduate-level reasoning | N/A | 80.9% |
Cached Input Price Prompt caching discount per 1M tokens | $0.03 / 1M | $1.00 / 1M |
各项指标谁更胜一筹？
At-a-glance decision frameworkEvaluations ongoing
权威基准测试得分对比
Official evaluation metrics verified by independent third-party research labs.
Industry benchmark evaluating real-world GitHub issue resolution and multi-file debugging.
Challenging questions created by domain experts to test complex PhD-level reasoning.
Hardened reasoning and academic knowledge benchmark with reduced lucky-guess probability.
Crowdsourced human preference evaluation based on blind, head-to-head model battles.
Extremely difficult, closed-ended questions spanning the frontier of human expert knowledge.
Autonomous multi-step tasks executed inside a real command-line terminal environment.
Research-grade coding problems drawn from real scientific and numerical workloads.
Contamination-free competitive programming problems collected continuously over time.
American Invitational Mathematics Examination — multi-step Olympiad-level reasoning.
Accuracy when reasoning over very large inputs that fill the model context window.
Tokens emitted per second during active generation streaming.
延迟与响应速度
Time to first token (TTFT) and estimated end-to-end response time for a typical 500-token response.
实时 Token 成本模拟器
Adjust sliders to calculate projected monthly cloud API spending with prompt caching discounts.
Gemini 2.5 Flash-Lite · Strengths & Key Advantages
- 由 Google 研发的高精度 Compact multimodal transformer with lightweight thinking 架构，支持 1.0M 上下文窗口
- 极具竞争力的 API 定价（输入 $0.1/1M，输出 $0.4/1M），支持高速推理与工具调用
- 在代码生成、逻辑推理与多语言处理基准测试中表现出色
Considerations & Trade-offs
- 超长上下文请求需要规划 Token 成本与并发配额
- 针对特定垂直领域任务建议结合系统提示词与检索增强（RAG）以获得最佳效果
GPT-6 Astra · Strengths & Key Advantages
- 由 OpenAI 研发的高精度 Omni-Adaptive Autoregressive with Dynamic CoT 架构，支持 1M 上下文窗口
- 极具竞争力的 API 定价（输入 $10.0/1M，输出 $50.0/1M），支持高速推理与工具调用
- 在代码生成、逻辑推理与多语言处理基准测试中表现出色
Considerations & Trade-offs
- 超长上下文请求需要规划 Token 成本与并发配额
- 针对特定垂直领域任务建议结合系统提示词与检索增强（RAG）以获得最佳效果
Token Use & Task Economics
Estimated cost and token consumption to complete one representative agentic task.
| Metric | Gemini 2.5 Flash-Lite | GPT-6 Astra |
|---|---|---|
Cost per Task Estimated USD to finish one task | $0.35 | $2.15 |
Output Tokens / Task Tokens generated per task | 12K | 58K |
Reasoning Tokens / Task Thinking tokens burned per task | 4K | 32K |
技术规格参数
Architecture, release timeline, capabilities, and modalities.
| Feature | Gemini 2.5 Flash-Lite | GPT-6 Astra |
|---|---|---|
| Official API Model ID (SDK) | models/gemini-2-5-flash-lite | gpt-6-astra |
| API Protocol | Google Gemini API (generateContent) + OpenAI-Compatible SDK | OpenAI Responses API & Chat Completions v1 |
| Release Date | 2025-06 | 2026-09 |
| Knowledge Cutoff | March 2025 | June 2026 |
| Architecture | Compact multimodal transformer with lightweight thinking | Omni-Adaptive Autoregressive with Dynamic CoT |
| Parameters | Confidential | Confidential |
| Enterprise Rate Limits (RPM / TPM) | 10,000 – 30,000 RPM (Tier 5 Enterprise) · 4,000,000 – 10,000,000 TPM | 10,000 – 30,000 RPM (Tier 5 Enterprise) · 800,000 – 2,000,000 TPM |
| Long-Context Tier (>128K/200K) | Standard rate up to 200K tokens; 2x input/output tier above 200K tokens | Flat rate ($10/1M in) across full 272K window |
| Prompt Cache Policy & TTL | Implicit + Explicit Context Caching at $0.025/1M with configurable TTL | Automatic prefix caching at $1/1M (no extra cache-write fee) |
| Computer Use / GUI Agent | Supported (Screen coordinate grounding, browser & desktop GUI action loops) | Supported (Screen coordinate grounding, browser & desktop GUI action loops) |
| MCP & Parallel Tool Calling | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema | Native MCP Client/Server ready · Parallel function calling · 100% Strict JSON Schema |
| Web Search Grounding & Sandbox | Built-in Google Search Grounding + Managed Python Code Execution Sandbox | Native Web Search tool + Hosted Code Interpreter & File Search RAG |
| Official Fine-Tuning Support | Vertex AI Supervised Adapter Tuning & Context Distillation | Supervised Fine-Tuning (SFT), Direct Preference (DPO) & Reinforcement Fine-Tuning (RFT) |
| Multimodal Token Billing | Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile) | Text BPE (~4 chars/token) · Vision (~258–765 tokens per image tile) · Audio (~25–32 tokens/sec) |
| Quantization & Min GPU VRAM | Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API) | Cloud-Hosted Proprietary (FP8 / BF16 Tensor Core Cluster) · Zero Local VRAM Required (100% Serverless Cloud API) |
| Safety & Frontier Classification | Google DeepMind Frontier Safety Framework Verified | OpenAI Preparedness Framework Audited & System Card Published |
| Enterprise Compliance (ZDR/HIPAA/SOC2) | SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier | SOC2 Type II · GDPR · Zero Data Retention (ZDR) & HIPAA BAA Available on Enterprise Tier |
| Input Modalities | text, vision | text, vision, audio |
| Output Modalities | text | text, audio |
Gemini 2.5 Flash-Lite vs GPT-6 Astra: 常见问题解答 (FAQ)
Which is more intelligent, Gemini 2.5 Flash-Lite or GPT-6 Astra?
GPT-6 Astra is more intelligent. It scores 96 compared with 56 on the composite Intelligence Index.
Which model is faster?
Gemini 2.5 Flash-Lite is faster, generating 220 tokens per second compared with 100 tokens per second.
Which model is cheaper to run?
Gemini 2.5 Flash-Lite is cheaper at $0.08 per 1M tokens blended, compared with $7.70 (7:2:1 cache:input:output ratio).
Which model has lower latency?
Gemini 2.5 Flash-Lite has lower latency, with a time to first token of 0.32s compared with 0.95s.
Which model has a larger context window?
Gemini 2.5 Flash-Lite has a larger context window, supporting 1.05M tokens compared with 272K tokens.
综合结论
Choose Gemini 2.5 Flash-Lite for 企业级 ai 自动化、代码研发、智能体（agent）工作流以及 google 生态深度集成, or choose GPT-6 Astra for 企业级 ai 自动化、代码研发、智能体（agent）工作流以及 openai 生态深度集成.
常见问题 (FAQ)
Which is cheaper: Gemini 2.5 Flash-Lite or GPT-6 Astra?+
Gemini 2.5 Flash-Lite costs $0.1/1M input and $0.4/1M output tokens, while GPT-6 Astra costs $10/1M input and $50/1M output tokens.
Which model has a larger context window: Gemini 2.5 Flash-Lite or GPT-6 Astra?+
Gemini 2.5 Flash-Lite supports 1.0M tokens whereas GPT-6 Astra supports 272K tokens.
Understand key metrics like context window, token pricing, reasoning mode, and SWE-bench scores in our comprehensive AI glossary.
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Benchmark scores, token prices, and rate limits evolve rapidly as AI labs release model updates. Always verify current specifications and pricing on the official provider documentation.
数据来源: Google & OpenAI Official Documentation