AI model comparison
Gemini 3.8 Flash vs Claude Haiku 4.5
Side by side comparison of Gemini 3.8 Flash and Claude Haiku 4.5 on pricing, benchmark scores, context window, and more.
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
- Input / 1M
- $0.83
- Output / 1M
- $4.13
- Context
- 1.05M
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models.
- Input / 1M
- $1
- Output / 1M
- $5
- Context
- 200K
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 3.8 Flash
1.2x cheaper for a typical chat
Higher intelligence score
Not available
Not enough benchmark data
Larger context window
Gemini 3.8 Flash
1.05M vs 200K tokens
Newer release
Gemini 3.8 Flash
Released September 2, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Gemini 3.8 Flash30.5
Claude Haiku 4.5Not availableCoding index
Gemini 3.8 Flash76.3Claude Haiku 4.543.9Agentic index
Gemini 3.8 Flash40.2Claude Haiku 4.58Pricing
Gemini 3.8 Flash vs Claude Haiku 4.5 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Gemini 3.8 Flash | Claude Haiku 4.5 |
|---|---|---|
| Input tokensPer 1M tokens | $0.83 | $1 |
| Output tokensPer 1M tokens | $4.13 | $5 |
| Cached input (read)Per 1M tokens | $0.08 | $0.10 |
| Cache writePer 1M tokens | $0.04 | $1.25 |
| Web searchPer request | $0.014 | $0.01 |
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
Gemini 3.8 Flash$3.71Claude Haiku 4.5$4.50Coding task
30K in, 4K out
Gemini 3.8 Flash$41.25$18.98 cachedClaude Haiku 4.5$50$23 cachedLong document summary
150K in, 2K out
Gemini 3.8 Flash$132$20.63 cachedClaude Haiku 4.5$160$25 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Gemini 3.8 Flash | Claude Haiku 4.5 |
|---|---|---|
| Context window | 1.05M tokens | 200K tokens |
| Max output | 66K tokens | 64K tokens |
| Input types | Audio, File, Image, Text, Video | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | High, Medium, Low | Not available |
| Default reasoning effort | Medium | Not available |
| Release date | September 2, 2026 | October 15, 2025 |
Features
Supported features
API features available for each model.
| Metric | Gemini 3.8 Flash | Claude Haiku 4.5 |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Supported | Not supported |
| Verbosity control | Not supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Gemini 3.8 FlashView full model details- Gemini 3.8 Flash vs GPT-6 Astra
- Gemini 3.8 Flash vs Muse Spark 1.3
- Gemini 3.8 Flash vs Grok 4.7
- Gemini 3.8 Flash vs Hy4 preview
- Gemini 3.8 Flash vs Qwen3.8 Max (0902)
- Gemini 3.8 Flash vs GLM 5.3
- Gemini 3.8 Flash vs GPT-6 Luna
- Gemini 3.8 Flash vs MiMo-V2.6-Pro
- Gemini 3.8 Flash vs Step 5 Preview
- Gemini 3.8 Flash vs MiniMax M3.1 Flash
- Gemini 3.8 Flash vs Solar Pro 4
- Gemini 3.8 Flash vs Mistral Large 4
- Gemini 3.8 Flash vs GLM 5.2
- Gemini 3.8 Flash vs Gemini 3 Flash Preview
- Gemini 3.8 Flash vs Gemini 3.1 Flash Lite
- Gemini 3.8 Flash vs Gemini 3.7 Flash
- Gemini 3.8 Flash vs Gemini 2.5 Flash
- Gemini 3.8 Flash vs Grok 4.6
Claude Haiku 4.5View full model details- Claude Haiku 4.5 vs DeepSeek V4.1 Flash 1017
- Claude Haiku 4.5 vs Hy4 preview
- Claude Haiku 4.5 vs Claude Opus 5.5
- Claude Haiku 4.5 vs Step 5 Preview
- Claude Haiku 4.5 vs GPT-6.1 Sol
- Claude Haiku 4.5 vs Claude Sonnet 5.5
- Claude Haiku 4.5 vs GLM 5.2
- Claude Haiku 4.5 vs Claude Sonnet 5
- Claude Haiku 4.5 vs Grok 4.7
Our take
Gemini 3.8 Flash is 1.2x cheaper for a typical chat. Gemini 3.8 Flash has the larger context window (1.05M vs 200K 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 Gemini 3.8 Flash or Claude Haiku 4.5 cheaper?
Gemini 3.8 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). Gemini 3.8 Flash costs $0.83 per 1M input tokens and $4.13 per 1M output tokens, while Claude Haiku 4.5 costs $1 per 1M input tokens and $5 per 1M output tokens.
Which has a bigger context window, Gemini 3.8 Flash or Claude Haiku 4.5?
Gemini 3.8 Flash supports up to 1.05M tokens of context, compared with 200K for Claude Haiku 4.5.
Can I use Gemini 3.8 Flash and Claude Haiku 4.5 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Gemini 3.8 Flash and Claude Haiku 4.5 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Gemini 3.8 Flash and Claude Haiku 4.5 at the same time. Compare the answers side by side and keep the best one.