AI model comparison
Claude Haiku 5.5 vs Gemini 2.5 Flash Lite
Side by side comparison of Claude Haiku 5.5 and Gemini 2.5 Flash Lite on pricing, benchmark scores, context window, and more.
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use.
- Input / 1M
- $0.10
- Output / 1M
- $0.50
- Context
- 1M
Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency.
- Input / 1M
- $0.10
- Output / 1M
- $0.40
- Context
- 1.05M
Comparing image generators? Compare image models
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Gemini 2.5 Flash Lite
1.1x cheaper for a typical chat
Higher intelligence score
Not available
Not enough benchmark data
Larger context window
Gemini 2.5 Flash Lite
1.05M vs 1M tokens
Newer release
Claude Haiku 5.5
Released October 7, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Claude Haiku 5.536.2Gemini 2.5 Flash LiteNot availableCoding index
Claude Haiku 5.5Not availableGemini 2.5 Flash LiteNot availableAgentic index
Claude Haiku 5.5Not availableGemini 2.5 Flash LiteNot availablePricing
Claude Haiku 5.5 vs Gemini 2.5 Flash Lite API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Claude Haiku 5.5 | Gemini 2.5 Flash Lite |
|---|---|---|
| Input tokensPer 1M tokens | $0.10 | $0.10 |
| Output tokensPer 1M tokens | $0.50 | $0.40 |
| Cached input (read)Per 1M tokens | $0.01 | $0.01 |
| Cache writePer 1M tokens | $0.13 | $0.08 |
| Long-context pricingPer 1M tokens, for very long prompts | $0.50 in / $2.50 out above 100K | Same rate at any length |
| Web searchPer request | $0.01 | $0.014 |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Claude Haiku 5.5$0.45Gemini 2.5 Flash Lite$0.40Coding task
30K in, 4K out
Claude Haiku 5.5$5$2.30 cachedGemini 2.5 Flash Lite$4.60$1.90 cachedLong document summary
150K in, 2K out
Claude Haiku 5.5$16$2.50 cachedGemini 2.5 Flash Lite$15.80$2.30 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Claude Haiku 5.5 | Gemini 2.5 Flash Lite |
|---|---|---|
| Context window | 1M tokens | 1.05M tokens |
| Max output | 128K tokens | 66K tokens |
| Input types | File, Image, Text | Audio, File, Image, Text, Video |
| Output types | Text | Text |
| Reasoning effort levels | Max, Extra high, High, Medium, Low, None | Not available |
| Default reasoning effort | Medium | Not available |
| Release date | October 7, 2026 | July 22, 2025 |
Features
Supported features
API features available for each model.
| Metric | Claude Haiku 5.5 | Gemini 2.5 Flash Lite |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Not supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Not supported | Supported |
| Verbosity control | Supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
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Gemini 2.5 Flash LiteView full model details- Gemini 2.5 Flash Lite vs DeepSeek V4.1 Flash 1017
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- Gemini 2.5 Flash Lite vs Hy3
- Gemini 2.5 Flash Lite vs Gemma 4 31B
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Our take
Gemini 2.5 Flash Lite is 1.1x cheaper for a typical chat. Gemini 2.5 Flash Lite has the larger context window (1.05M vs 1M tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Claude Haiku 5.5 or Gemini 2.5 Flash Lite cheaper?
Gemini 2.5 Flash Lite is cheaper for a typical chat (2K input tokens and 500 output tokens). Gemini 2.5 Flash Lite costs $0.10 per 1M input tokens and $0.40 per 1M output tokens, while Claude Haiku 5.5 costs $0.10 per 1M input tokens and $0.50 per 1M output tokens.
Which has a bigger context window, Claude Haiku 5.5 or Gemini 2.5 Flash Lite?
Gemini 2.5 Flash Lite supports up to 1.05M tokens of context, compared with 1M for Claude Haiku 5.5.
Can I use Claude Haiku 5.5 and Gemini 2.5 Flash Lite at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Claude Haiku 5.5 and Gemini 2.5 Flash Lite answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Claude Haiku 5.5 and Gemini 2.5 Flash Lite at the same time. Compare the answers side by side and keep the best one.