AI model comparison
Claude Haiku 5.5 vs Muse Spark 1.3
Side by side comparison of Claude Haiku 5.5 and Muse Spark 1.3 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
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows.
- Input / 1M
- $1.25
- Output / 1M
- $4.25
- 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
Claude Haiku 5.5
10.3x cheaper for a typical chat
Higher intelligence score
Muse Spark 1.3
36.4 vs 36.2 on Artificial Analysis
Larger context window
Muse Spark 1.3
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 5.536.2Coding index
Claude Haiku 5.5Not availableAgentic index
Claude Haiku 5.5Not availablePricing
Claude Haiku 5.5 vs Muse Spark 1.3 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Claude Haiku 5.5 | |
|---|---|---|
| Input tokensPer 1M tokens | $0.10 | $1.25 |
| Output tokensPer 1M tokens | $0.50 | $4.25 |
| Cached input (read)Per 1M tokens | $0.01 | $0.15 |
| Cache writePer 1M tokens | $0.13 | Not available |
| 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 | $0.0025 |
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 | 1M tokens | 1.05M tokens |
| Max output | 128K tokens | 944K tokens |
| Input types | File, Image, Text | File, Image, Text, Video |
| Output types | Text | Text |
| Reasoning effort levels | Max, Extra high, High, Medium, Low, None | Max, Extra high, High, Medium, Low, Minimal |
| Default reasoning effort | Medium | Medium |
| Release date | October 7, 2026 | September 2, 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 | Supported |
| Stop sequences | Supported | Not supported |
| Deterministic seed | Not supported | Not 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.
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 Kimi K3.1 Pro
- 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
- Muse Spark 1.3 vs Claude Opus 5.5
- Muse Spark 1.3 vs GPT-6 Astra
- Muse Spark 1.3 vs GPT-6.1 Sol
- Muse Spark 1.3 vs Claude Sonnet 5.5
- Muse Spark 1.3 vs GPT-6.1 Terra
- Muse Spark 1.3 vs Gemini 4 Argon
- Muse Spark 1.3 vs Claude Fable 5.1
- Muse Spark 1.3 vs Kimi K3.1 Pro
- Muse Spark 1.3 vs Grok 4.7
- Muse Spark 1.3 vs Qwen3.8 Max (0902)
- Muse Spark 1.3 vs GLM 5.3
- Muse Spark 1.3 vs Gemini 3.8 Flash
- Muse Spark 1.3 vs MiMo-V2.6-Pro
- Muse Spark 1.3 vs Step 5 Preview
- Muse Spark 1.3 vs Mistral Large 4
- Muse Spark 1.3 vs Hy4 preview
Our take
Claude Haiku 5.5 is 10.3x cheaper for a typical chat. Muse Spark 1.3 scores higher on the Artificial Analysis Intelligence Index (36.4 vs 36.2). Muse Spark 1.3 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 Muse Spark 1.3 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 Muse Spark 1.3 costs $1.25 per 1M input tokens and $4.25 per 1M output tokens.
Which has a bigger context window, Claude Haiku 5.5 or Muse Spark 1.3?
Muse Spark 1.3 supports up to 1.05M tokens of context, compared with 1M for Claude Haiku 5.5.
Is Claude Haiku 5.5 smarter than Muse Spark 1.3?
On the Artificial Analysis Intelligence Index, Claude Haiku 5.5 scores 36.2 and Muse Spark 1.3 scores 36.4, putting Muse Spark 1.3 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Claude Haiku 5.5 and Muse Spark 1.3 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Claude Haiku 5.5 and Muse Spark 1.3 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Claude Haiku 5.5 and Muse Spark 1.3 at the same time. Compare the answers side by side and keep the best one.