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babbage-002 vs Gemini 2.5 Flash-Lite

Detailed pricing comparison and cost analysis.

Updated September 2026

Cost Simulator

babbage-002 Cost
$0.48
Gemini 2.5 Flash-Lite Cost
$0.18
Gemini 2.5 Flash-Lite is 63% cheaper
Featurebabbage-002Gemini 2.5 Flash-Lite
ProviderOpenAIGoogle
Input Price (1M)$0.40$0.10
Output Price (1M)$0.40$0.40
Context Window16,3841,000,000

Verdict

babbage-002 costs $0.40 per 1M input tokens and $0.40 per 1M output tokens. Gemini 2.5 Flash-Lite costs $0.10 per 1M input tokens and $0.40 per 1M output tokens. Gemini 2.5 Flash-Lite is 75% cheaper on input tokens than babbage-002. For output tokens, babbage-002 is the more affordable option at $0.40/1M vs $0.40.

On context window, Gemini 2.5 Flash-Lite supports 1,000,000 tokens — meaning it can fit more conversation history, documents, or code in a single request. This matters for RAG pipelines, long document analysis, and agentic workflows where context builds up over many turns.

When to choose babbage-002

  • ✓ You are already integrated with OpenAI

When to choose Gemini 2.5 Flash-Lite

  • ✓ You need the lowest input token cost ($ 0.10/1M)
  • ✓ You need a larger context window (1,000,000 tokens)
  • ✓ You are already integrated with Google

Use the calculator above to simulate your specific workload and find the exact break-even point. For most applications, the cheapest model is the one that minimises your total monthly bill given your input-to-output token ratio.

Frequently Asked Questions

Is babbage-002 cheaper than Gemini 2.5 Flash-Lite?

Gemini 2.5 Flash-Lite is cheaper on input tokens at $0.10/1M vs $0.40/1M for babbage-002 — a 75% saving.

What is the context window of babbage-002 vs Gemini 2.5 Flash-Lite?

babbage-002 has a 16,384-token context window. Gemini 2.5 Flash-Lite has a 1,000,000-token context window. Gemini 2.5 Flash-Lite supports the larger context, suitable for longer documents and agentic workflows.

Which model is better: babbage-002 or Gemini 2.5 Flash-Lite?

The best choice depends on your use case. For cost efficiency on input tokens, Gemini 2.5 Flash-Lite is the cheaper option. For maximum context length, Gemini 2.5 Flash-Lite supports 1,000,000 tokens. Use the comparison table above to find the right fit for your workload.