AI model comparison
Claude Sonnet 5.5 vs Hy3
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Anthropic
Claude Sonnet 5.5
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade.
- Input / 1M
- $2
- Output / 1M
- $10
- Context
- 1M
Tencent
Hy3
Hy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use.
- Input / 1M
- $0.13
- Output / 1M
- $0.53
- Context
- 262K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Hy3
17.0x cheaper for a typical chat
Higher intelligence score
Claude Sonnet 5.5
56 vs 25.3 on Artificial Analysis
Larger context window
Claude Sonnet 5.5
1M vs 262K tokens
Newer release
Claude Sonnet 5.5
Released September 28, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Claude Sonnet 5.556Coding index
Claude Sonnet 5.5Not availableAgentic index
Claude Sonnet 5.5Not availablePricing
Claude Sonnet 5.5 vs Hy3 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Claude Sonnet 5.5 | |
|---|---|---|
| Input tokensPer 1M tokens | $2 | $0.13 |
| Output tokensPer 1M tokens | $10 | $0.53 |
| Cached input (read)Per 1M tokens | $0.10 | $0.03 |
| Cache writePer 1M tokens | $2.50 | Not available |
| Web searchPer request | $0.01 | Not available |
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 Sonnet 5.5$9Coding task
30K in, 4K out
Claude Sonnet 5.5$100$43 cachedLong document summary
150K in, 2K out
Claude Sonnet 5.5$320$35 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Claude Sonnet 5.5 | |
|---|---|---|
| Context window | 1M tokens | 262K tokens |
| Max output | 128K tokens | 128K tokens |
| Input types | File, Image, Text | Text |
| Output types | Text | Text |
| Reasoning effort levels | Max, Extra high, High, Medium, Low | High, Low, None |
| Default reasoning effort | High | High |
| Release date | September 28, 2026 | July 6, 2026 |
Features
Supported features
API features available for each model.
| Metric | Claude Sonnet 5.5 | |
|---|---|---|
| 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.
Claude Sonnet 5.5View full model details- Claude Sonnet 5.5 vs Claude Opus 5.5
- Claude Sonnet 5.5 vs Claude Fable 5.1
- Claude Sonnet 5.5 vs GPT-6 Astra
- Claude Sonnet 5.5 vs GPT-6.1 Sol
- Claude Sonnet 5.5 vs Claude Opus 5
- Claude Sonnet 5.5 vs Claude Fable 5
- Claude Sonnet 5.5 vs Muse Spark 1.3
- Claude Sonnet 5.5 vs GPT-6 Sol
- Claude Sonnet 5.5 vs GPT-5.6 Sol
- Claude Sonnet 5.5 vs DeepSeek V4.1 Flash
- Claude Sonnet 5.5 vs GLM 5.3 Flash
- Claude Sonnet 5.5 vs MiMo-V2.6-Flash
- Claude Sonnet 5.5 vs GLM 5.3
- Claude Sonnet 5.5 vs Hy4 preview
- Claude Sonnet 5.5 vs Step 5 Preview
- Claude Sonnet 5.5 vs Kimi K3
- Claude Sonnet 5.5 vs GPT-6 Luna
- Claude Sonnet 5.5 vs DeepSeek V4 Flash 0731
- Claude Sonnet 5.5 vs DeepSeek V4 Flash 0423
- Hy3 vs DeepSeek V4.1 Flash
- Hy3 vs GLM 5.3 Flash
- Hy3 vs MiMo-V2.6-Flash
- Hy3 vs Hy4 preview
- Hy3 vs Step 5 Preview
- Hy3 vs GPT-6 Luna
- Hy3 vs DeepSeek V4 Flash 0731
- Hy3 vs Claude Opus 5.5
- Hy3 vs GLM 5.3
- Hy3 vs DeepSeek V4 Flash 0423
- Hy3 vs Muse Spark 1.3 Contributor
- Hy3 vs MiniMax M3
- Hy3 vs Solar Mini 4
- Hy3 vs Solar Pro 4
- Hy3 vs DeepSeek V4 Pro 0423
- Hy3 vs MiMo-V2.5
- Hy3 vs Qwen3.8 Flash
- Hy3 vs GPT-6 Luna Pro
- Hy3 vs DeepSeek V3.2
- Hy3 vs MiMo-V2.5-Pro
- Hy3 vs Ling 3.0 Flash
- Hy3 vs Qwen3.7 Plus
- Hy3 vs Ling 3.0 Flash VL
- Hy3 vs MiniMax M2.7
- Hy3 vs GLM 5
- Hy3 vs Grok Build 0.1
- Hy3 vs Qwen3.6 Plus
- Hy3 vs Grok 4.20
- Hy3 vs Grok 4.3
- Hy3 vs Inkling Small
- Hy3 vs MiniMax M2.5
- Hy3 vs Ling 3.0 Flash Fin
- Hy3 vs Qwen3.5-35B-A3B
Our take
Hy3 is 17.0x cheaper for a typical chat. Claude Sonnet 5.5 scores higher on the Artificial Analysis Intelligence Index (56 vs 25.3). Claude Sonnet 5.5 has the larger context window (1M vs 262K 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 Sonnet 5.5 or Hy3 cheaper?
Hy3 is cheaper for a typical chat (2K input tokens and 500 output tokens). Hy3 costs $0.13 per 1M input tokens and $0.53 per 1M output tokens, while Claude Sonnet 5.5 costs $2 per 1M input tokens and $10 per 1M output tokens.
Which has a bigger context window, Claude Sonnet 5.5 or Hy3?
Claude Sonnet 5.5 supports up to 1M tokens of context, compared with 262K for Hy3.
Is Claude Sonnet 5.5 smarter than Hy3?
On the Artificial Analysis Intelligence Index, Claude Sonnet 5.5 scores 56 and Hy3 scores 25.3, putting Claude Sonnet 5.5 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Claude Sonnet 5.5 and Hy3 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Claude Sonnet 5.5 and Hy3 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Claude Sonnet 5.5 and Hy3 at the same time. Compare the answers side by side and keep the best one.