Gemini 3.1 Flash Lite is $29.75 cheaper per 1M input tokens (99.2% lower; 120x difference).
API cost decision in 10 seconds
NewClaude Opus 4.7 (Fast) vs NewGemini 3.1 Flash Lite
Pick Gemini 3.1 Flash Lite when budget and context both matter.
Pricing data updated:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Gemini 3.1 Flash Lite when budget and context both matter.
On the standard 1M input plus 500K output workload, Gemini 3.1 Flash Lite is estimated at $1 vs $105 for Claude Opus 4.7 (Fast), saving $104 (99% lower).
Cost-first pickGemini 3.1 Flash Lite
Context-first pickGemini 3.1 Flash Lite
Sample savings$10499%
10x traffic gap$1040
Gemini 3.1 Flash Lite is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $1040. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Gemini 3.1 Flash Lite stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Claude Opus 4.7 (Fast) | Gemini 3.1 Flash Lite |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Gemini 3.1 Flash Lite | $225 | $2 |
| Balanced workload | 1M input + 1M output | Gemini 3.1 Flash Lite | $180 | $1.75 |
| Output-heavy chatbot | 1M input + 5M output | Gemini 3.1 Flash Lite | $780 | $7.75 |
Gemini 3.1 Flash Lite is $148.5 cheaper per 1M output tokens (99% lower; 100x difference).
Gemini 3.1 Flash Lite has 48.58K more context (1.05x larger).
Gemini 3.1 Flash Lite is $104 cheaper on the standard workload (99% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Gemini 3.1 Flash Lite has the lower input price; Gemini 3.1 Flash Lite has the lower output price; Gemini 3.1 Flash Lite offers the larger context window. For the 1M input plus 500K output sample, Gemini 3.1 Flash Lite is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $105 for Claude Opus 4.7 (Fast) and $1 for Gemini 3.1 Flash Lite.
Choose Claude Opus 4.7 (Fast) when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose Gemini 3.1 Flash Lite when you care most about lower input-token price, lower output-token price, and larger context window.
- On the standard 1M input plus 500K output workload, Gemini 3.1 Flash Lite is estimated at $1 vs $105 for Claude Opus 4.7 (Fast), saving $104 (99% lower).
- Gemini 3.1 Flash Lite is $104 cheaper on the standard workload (99% lower).
- Gemini 3.1 Flash Lite is $29.75 cheaper per 1M input tokens (99.2% lower; 120x difference).
- Gemini 3.1 Flash Lite is $148.5 cheaper per 1M output tokens (99% lower; 100x difference).
- Gemini 3.1 Flash Lite has 48.58K more context (1.05x larger).
| Feature | NewClaude Opus 4.7 (Fast) (Anthropic) | NewGemini 3.1 Flash Lite (Google) |
|---|---|---|
| Input Price prompt tokens per 1M | $30 | $0.25 |
| Completion Price per 1M tokens | $150 | $1.5 |
| Sample Workload Cost 1M input + 500K output | $105 | $1 |
| Context Window | 1M | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Gemini 3.1 Flash Lite | On the standard 1M input plus 500K output workload, Gemini 3.1 Flash Lite is estimated at $1 vs $105 for Claude Opus 4.7 (Fast), saving $104 (99% lower). |
| High-volume input processing | Gemini 3.1 Flash Lite | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Gemini 3.1 Flash Lite | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Gemini 3.1 Flash Lite | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Claude 3 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $0.88.
- Claude 3.5 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $2.8.
- Anthropic Claude Haiku Latest can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.
- Claude Haiku 4.5 can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- OpenAI GPT Latest offers 1.05M context with $20 sample workload cost.
- No popular competitor is currently available.
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsAnthropic catalog
Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.
Open Anthropic modelsGoogle catalog
Check other Google models with comparable pricing, context, or release timing.
Open Google modelsFast-mode variant of [Opus 4.7](/anthropic/claude-opus-4.7) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads. It supports text, image, video, audio, and PDF inputs, and is designed for lightweight agentic...