AI model comparison
Kimi K3.1 Pro vs Claude Haiku 5.5
Side by side comparison of Kimi K3.1 Pro and Claude Haiku 5.5 on pricing, benchmark scores, context window, and more.
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window.
- Input / 1M
- $2
- Output / 1M
- $10
- Context
- 1.05M
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
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
Claude Haiku 5.5
20.0x cheaper for a typical chat
Higher intelligence score
Kimi K3.1 Pro
46 vs 36.2 on Artificial Analysis
Larger context window
Kimi K3.1 Pro
1.05M vs 1M tokens
Newer release
Kimi K3.1 Pro
Released October 23, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Claude Haiku 5.536.2Coding index
Claude Haiku 5.5Not availableAgentic index
Claude Haiku 5.5Not availablePricing
Kimi K3.1 Pro vs Claude Haiku 5.5 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Claude Haiku 5.5 | |
|---|---|---|
| Input tokensPer 1M tokens | $2 | $0.10 |
| Output tokensPer 1M tokens | $10 | $0.50 |
| Cached input (read)Per 1M tokens | $0.20 | $0.01 |
| Cache writePer 1M tokens | Not available | $0.13 |
| Long-context pricingPer 1M tokens, for very long prompts | Same rate at any length | $0.50 in / $2.50 out above 100K |
| Web searchPer request | Not available | $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
Claude Haiku 5.5$0.45Coding task
30K in, 4K out
Claude Haiku 5.5$5$2.30 cachedLong document summary
150K in, 2K out
Claude Haiku 5.5$16$2.50 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 | |
|---|---|---|
| Context window | 1.05M tokens | 1M tokens |
| Max output | 944K tokens | 128K tokens |
| Input types | Image, Text, Video | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | Max, High, Low, None | Max, Extra high, High, Medium, Low, None |
| Default reasoning effort | Max | Medium |
| Release date | October 23, 2026 | October 7, 2026 |
Features
Supported features
API features available for each model.
| Metric | Claude Haiku 5.5 | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Not supported | Not supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Not supported | Not supported |
| Verbosity control | Not supported | Supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
- Kimi K3.1 Pro vs Claude Opus 5.5
- Kimi K3.1 Pro vs GPT-6 Astra
- Kimi K3.1 Pro vs GPT-6.1 Sol
- Kimi K3.1 Pro vs Claude Sonnet 5.5
- Kimi K3.1 Pro vs GPT-6.1 Terra
- Kimi K3.1 Pro vs Gemini 4 Argon
- Kimi K3.1 Pro vs Claude Fable 5.1
- Kimi K3.1 Pro vs Muse Spark 1.3
- Kimi K3.1 Pro vs Kimi K3
- Kimi K3.1 Pro vs GLM 5.2
- Kimi K3.1 Pro vs Claude Sonnet 5
- Kimi K3.1 Pro vs GPT-6 Sol
- Kimi K3.1 Pro vs Claude Sonnet 4.5
- Kimi K3.1 Pro vs Claude Sonnet 4.6
- Kimi K3.1 Pro vs GPT-5.6 Terra
- Kimi K3.1 Pro vs Grok 4.6
- Kimi K3.1 Pro vs Muse Wonder
Claude Haiku 5.5View full model details- Claude Haiku 5.5 vs Claude Opus 5.5
- Claude Haiku 5.5 vs GPT-6 Astra
- Claude Haiku 5.5 vs GPT-6.1 Sol
- Claude Haiku 5.5 vs Claude Sonnet 5.5
- Claude Haiku 5.5 vs GPT-6.1 Terra
- Claude Haiku 5.5 vs DeepSeek V4.1 Flash 1017
- Claude Haiku 5.5 vs Gemini 4 Argon
- Claude Haiku 5.5 vs DeepSeek V4.1 Flash
- Claude Haiku 5.5 vs Claude Fable 5.1
- Claude Haiku 5.5 vs GLM 5.3 Flash
- Claude Haiku 5.5 vs Muse Spark 1.3
- Claude Haiku 5.5 vs GPT-6 Luna
- Claude Haiku 5.5 vs GLM 5.3
- Claude Haiku 5.5 vs Grok 4.7
- Claude Haiku 5.5 vs Qwen3.8 Max (0902)
- Claude Haiku 5.5 vs MiMo-V2.6-Flash
- Claude Haiku 5.5 vs MiMo-V2.6-Pro
- Claude Haiku 5.5 vs Hy3
- Claude Haiku 5.5 vs MiniMax M3.1 Flash
- Claude Haiku 5.5 vs Solar Pro 4
- Claude Haiku 5.5 vs Muse Spark 1.3 Contributor
- Claude Haiku 5.5 vs Qwen3.8 Flash
- Claude Haiku 5.5 vs GPT-6 Luna Pro
- Claude Haiku 5.5 vs Gemma 4 31B
- Claude Haiku 5.5 vs gpt-oss-120b
- Claude Haiku 5.5 vs Gemini 2.5 Flash Lite
- Claude Haiku 5.5 vs DeepSeek V3.2
- Claude Haiku 5.5 vs GPT-4o-mini
Our take
Claude Haiku 5.5 is 20.0x cheaper for a typical chat. Kimi K3.1 Pro scores higher on the Artificial Analysis Intelligence Index (46 vs 36.2). Kimi K3.1 Pro 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 Kimi K3.1 Pro or Claude Haiku 5.5 cheaper?
Claude Haiku 5.5 is cheaper for a typical chat (2K input tokens and 500 output tokens). Claude Haiku 5.5 costs $0.10 per 1M input tokens and $0.50 per 1M output tokens, while Kimi K3.1 Pro costs $2 per 1M input tokens and $10 per 1M output tokens.
Which has a bigger context window, Kimi K3.1 Pro or Claude Haiku 5.5?
Kimi K3.1 Pro supports up to 1.05M tokens of context, compared with 1M for Claude Haiku 5.5.
Is Kimi K3.1 Pro smarter than Claude Haiku 5.5?
On the Artificial Analysis Intelligence Index, Kimi K3.1 Pro scores 46 and Claude Haiku 5.5 scores 36.2, putting Kimi K3.1 Pro ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Kimi K3.1 Pro and Claude Haiku 5.5 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Kimi K3.1 Pro and Claude Haiku 5.5 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Kimi K3.1 Pro and Claude Haiku 5.5 at the same time. Compare the answers side by side and keep the best one.