API cost decision in 10 seconds

🔥Gemini 2.5 Flash Lite vs NewLaguna XS.2 (free)

Pick Laguna XS.2 (free) for lower cost; pick Gemini 2.5 Flash Lite only if the larger context window matters more.

Page updated: 2026-05-26T12:03:47Z Data confirmed: 2026-05-26T14:08:03Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Laguna XS.2 (free) for lower cost; pick Gemini 2.5 Flash Lite only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Laguna XS.2 (free) is estimated at $0 vs $0.3 for Gemini 2.5 Flash Lite, saving $0.3 (100% lower).

Cost-first pickLaguna XS.2 (free)

Context-first pickGemini 2.5 Flash Lite

Sample savings$0.3100%

10x traffic gap$3

Gemini 2.5 Flash Lite has more context, but Laguna XS.2 (free) saves $0.3 on the standard workload. At 10x that traffic, the same price gap is about $3. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Laguna XS.2 (free) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Gemini 2.5 Flash Lite	Laguna XS.2 (free)
Input-heavy / RAG	5M input + 500K output	Laguna XS.2 (free)	$0.7	$0
Balanced workload	1M input + 1M output	Laguna XS.2 (free)	$0.5	$0
Output-heavy chatbot	1M input + 5M output	Laguna XS.2 (free)	$2.1	$0

Cheaper input Laguna XS.2 (free) $0.1 vs $0 / 1M

Laguna XS.2 (free) is free for input tokens while Gemini 2.5 Flash Lite costs $0.1 per 1M tokens.

Cheaper output Laguna XS.2 (free) $0.4 vs $0 / 1M

Laguna XS.2 (free) is free for output tokens while Gemini 2.5 Flash Lite costs $0.4 per 1M tokens.

Larger context Gemini 2.5 Flash Lite 1.05M vs 131.07K

Gemini 2.5 Flash Lite has 917.5K more context (8x larger).

Sample workload Laguna XS.2 (free) $0.3 vs $0

Laguna XS.2 (free) is free for the standard workload while the other model is estimated at $0.3.

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Gemini 2.5 Flash Lite Calculating… Estimated API cost

Laguna XS.2 (free) Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

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

Verdict

Laguna XS.2 (free) has the lower input price; Laguna XS.2 (free) has the lower output price; Gemini 2.5 Flash Lite offers the larger context window. For the 1M input plus 500K output sample, Laguna XS.2 (free) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.3 for Gemini 2.5 Flash Lite and $0 for Laguna XS.2 (free).

Best Fit

Choose Gemini 2.5 Flash Lite when you care most about larger context window.

Choose Laguna XS.2 (free) when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Laguna XS.2 (free) is estimated at $0 vs $0.3 for Gemini 2.5 Flash Lite, saving $0.3 (100% lower).
Laguna XS.2 (free) is free for the standard workload while the other model is estimated at $0.3.
Laguna XS.2 (free) is free for input tokens while Gemini 2.5 Flash Lite costs $0.1 per 1M tokens.
Laguna XS.2 (free) is free for output tokens while Gemini 2.5 Flash Lite costs $0.4 per 1M tokens.
Gemini 2.5 Flash Lite has 917.5K more context (8x larger).

Head-to-Head Specs

Feature	🔥Gemini 2.5 Flash Lite (Google)	NewLaguna XS.2 (free) (Poolside)
Input Price prompt tokens per 1M	$0.1	$0
Completion Price per 1M tokens	$0.4	$0
Sample Workload Cost 1M input + 500K output	$0.3	$0
Context Window	1.05M	131.07K
Release Date	2025-07-22	2026-04-28
Popularity	#10

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Laguna XS.2 (free)	On the standard 1M input plus 500K output workload, Laguna XS.2 (free) is estimated at $0 vs $0.3 for Gemini 2.5 Flash Lite, saving $0.3 (100% lower).
High-volume input processing	Laguna XS.2 (free)	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Laguna XS.2 (free)	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Gemini 2.5 Flash Lite	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Gemma 4 26B A4B (free) can replace Gemini 2.5 Flash Lite when lower sample workload cost matters most: $0.
Gemma 4 31B (free) can replace Gemini 2.5 Flash Lite when lower sample workload cost matters most: $0.
Lyria 3 Pro Preview can replace Gemini 2.5 Flash Lite when lower sample workload cost matters most: $0.
Lyria 3 Clip Preview can replace Gemini 2.5 Flash Lite when lower sample workload cost matters most: $0.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
Claude Sonnet 4.6 · Anthropic · #4

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Google catalog

Review all tracked Google models before deciding whether this matchup is the right shortlist.

Open Google models

Poolside catalog

Check other Poolside models with comparable pricing, context, or release timing.

Open Poolside models

Gemini 2.5 Flash Lite

Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency. It offers improved throughput, faster token generation, and better performance...

Laguna XS.2 (free)

Laguna XS.2 is the second-generation model in the XS size class from [Poolside](https://poolside.ai), their efficient coding agent series. It combines tool calling and reasoning capabilities with a compact footprint, offering...