Rnj 1 Instruct is $4.85 cheaper per 1M input tokens (97% lower; 33.3x difference).
API cost decision in 10 seconds
OpenAI GPT Latest vs Rnj 1 Instruct
Pick Rnj 1 Instruct for lower cost; pick OpenAI GPT Latest only if the larger context window matters more.
Pricing data updated:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Rnj 1 Instruct for lower cost; pick OpenAI GPT Latest only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Rnj 1 Instruct is estimated at $0.22 vs $20 for OpenAI GPT Latest, saving $19.77 (98.9% lower).
Cost-first pickRnj 1 Instruct
Context-first pickOpenAI GPT Latest
Sample savings$19.7798.9%
10x traffic gap$197.75
OpenAI GPT Latest has more context, but Rnj 1 Instruct saves $19.77 on the standard workload. At 10x that traffic, the same price gap is about $197.75. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Rnj 1 Instruct stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | OpenAI GPT Latest | Rnj 1 Instruct |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Rnj 1 Instruct | $40 | $0.82 |
| Balanced workload | 1M input + 1M output | Rnj 1 Instruct | $35 | $0.3 |
| Output-heavy chatbot | 1M input + 5M output | Rnj 1 Instruct | $155 | $0.9 |
Rnj 1 Instruct is $29.85 cheaper per 1M output tokens (99.5% lower; 200x difference).
OpenAI GPT Latest has 1.02M more context (32x larger).
Rnj 1 Instruct is $19.77 cheaper on the standard workload (98.9% 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
Rnj 1 Instruct has the lower input price; Rnj 1 Instruct has the lower output price; OpenAI GPT Latest offers the larger context window. For the 1M input plus 500K output sample, Rnj 1 Instruct is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $20 for OpenAI GPT Latest and $0.22 for Rnj 1 Instruct.
Choose OpenAI GPT Latest when you care most about larger context window.
Choose Rnj 1 Instruct when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Rnj 1 Instruct is estimated at $0.22 vs $20 for OpenAI GPT Latest, saving $19.77 (98.9% lower).
- Rnj 1 Instruct is $19.77 cheaper on the standard workload (98.9% lower).
- Rnj 1 Instruct is $4.85 cheaper per 1M input tokens (97% lower; 33.3x difference).
- Rnj 1 Instruct is $29.85 cheaper per 1M output tokens (99.5% lower; 200x difference).
- OpenAI GPT Latest has 1.02M more context (32x larger).
| Feature | OpenAI GPT Latest (OpenAI) | Rnj 1 Instruct (EssentialAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $0.15 |
| Completion Price per 1M tokens | $30 | $0.15 |
| Sample Workload Cost 1M input + 500K output | $20 | $0.22 |
| Context Window | 1.05M | 32.77K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Rnj 1 Instruct | On the standard 1M input plus 500K output workload, Rnj 1 Instruct is estimated at $0.22 vs $20 for OpenAI GPT Latest, saving $19.77 (98.9% lower). |
| High-volume input processing | Rnj 1 Instruct | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Rnj 1 Instruct | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | OpenAI GPT Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace OpenAI GPT Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace OpenAI GPT Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace OpenAI GPT Latest when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace OpenAI GPT Latest when lower sample workload cost matters most: $0.13.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- No popular competitor is currently available.
Cheaper alternatives
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Rnj-1 is an 8B-parameter, dense, open-weight model family developed by Essential AI and trained from scratch with a focus on programming, math, and scientific reasoning. The model demonstrates strong performance...