Ling-2.6-flash is $29.99 cheaper per 1M input tokens (100% lower; 3000x difference).
API cost decision in 10 seconds
Ling-2.6-flash vs GPT-5.5 Pro
Pick Ling-2.6-flash for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Ling-2.6-flash for lower cost; pick GPT-5.5 Pro only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Ling-2.6-flash is estimated at $0.03 vs $120 for GPT-5.5 Pro, saving $119.97 (100% lower).
Cost-first pickLing-2.6-flash
Context-first pickGPT-5.5 Pro
Sample savings$119.97100%
10x traffic gap$1199.75
GPT-5.5 Pro has more context, but Ling-2.6-flash saves $119.97 on the standard workload. At 10x that traffic, the same price gap is about $1199.75. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Ling-2.6-flash stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Ling-2.6-flash | GPT-5.5 Pro |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Ling-2.6-flash | $0.07 | $240 |
| Balanced workload | 1M input + 1M output | Ling-2.6-flash | $0.04 | $210 |
| Output-heavy chatbot | 1M input + 5M output | Ling-2.6-flash | $0.16 | $930 |
Ling-2.6-flash is $179.97 cheaper per 1M output tokens (100% lower; 6000x difference).
GPT-5.5 Pro has 787.86K more context (4.01x larger).
Ling-2.6-flash is $119.97 cheaper on the standard workload (100% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Ling-2.6-flash has the lower input price; Ling-2.6-flash has the lower output price; GPT-5.5 Pro offers the larger context window. For the 1M input plus 500K output sample, Ling-2.6-flash is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.03 for Ling-2.6-flash and $120 for GPT-5.5 Pro.
Choose Ling-2.6-flash when you care most about lower input-token price, and lower output-token price.
Choose GPT-5.5 Pro when you care most about larger context window.
- On the standard 1M input plus 500K output workload, Ling-2.6-flash is estimated at $0.03 vs $120 for GPT-5.5 Pro, saving $119.97 (100% lower).
- Ling-2.6-flash is $119.97 cheaper on the standard workload (100% lower).
- Ling-2.6-flash is $29.99 cheaper per 1M input tokens (100% lower; 3000x difference).
- Ling-2.6-flash is $179.97 cheaper per 1M output tokens (100% lower; 6000x difference).
- GPT-5.5 Pro has 787.86K more context (4.01x larger).
| Feature | Ling-2.6-flash (inclusionAI) | GPT-5.5 Pro (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.01 | $30 |
| Completion Price per 1M tokens | $0.03 | $180 |
| Sample Workload Cost 1M input + 500K output | $0.03 | $120 |
| Context Window | 262.14K | 1.05M |
| Release Date | ||
| Popularity | #45 | #122 |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Ling-2.6-flash | On the standard 1M input plus 500K output workload, Ling-2.6-flash is estimated at $0.03 vs $120 for GPT-5.5 Pro, saving $119.97 (100% lower). |
| High-volume input processing | Ling-2.6-flash | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Ling-2.6-flash | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT-5.5 Pro | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace GPT-5.5 Pro when lower sample workload cost matters most: $0.13.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- DeepSeek V4 Flash · DeepSeek · #1
- Hy3 preview · Tencent · #2
- Claude Opus 4.7 · Anthropic · #3
- Claude Sonnet 4.6 · Anthropic · #4
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsinclusionAI catalog
Review all tracked inclusionAI models before deciding whether this matchup is the right shortlist.
Open inclusionAI modelsOpenAI catalog
Check other OpenAI models with comparable pricing, context, or release timing.
Open OpenAI modelsLing-2.6-flash is an instant (instruct) model from inclusionAI with 104B total parameters and 7.4B active parameters, designed for real-world agents that require fast responses, strong execution, and high token efficiency....
GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...