Free Models Router is free for input tokens while Anthropic Claude Haiku Latest costs $1 per 1M tokens.
API cost decision in 10 seconds
NewAnthropic Claude Haiku Latest vs Free Models Router
Pick Free Models Router when budget is the priority.
Budget verdict
Pick Free Models Router when budget is the priority.
On the standard 1M input plus 500K output workload, Free Models Router is estimated at $0 vs $3.5 for Anthropic Claude Haiku Latest, saving $3.5 (100% lower).
The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $35. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Free Models Router stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Anthropic Claude Haiku Latest | Free Models Router |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Free Models Router | $7.5 | $0 |
| Balanced workload | 1M input + 1M output | Free Models Router | $6 | $0 |
| Output-heavy chatbot | 1M input + 5M output | Free Models Router | $26 | $0 |
Free Models Router is free for output tokens while Anthropic Claude Haiku Latest costs $5 per 1M tokens.
Both models report the same context window at 200K tokens.
Free Models Router is free for the standard workload while the other model is estimated at $3.5.
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
Free Models Router has the lower input price; Free Models Router has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Free Models Router is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $3.5 for Anthropic Claude Haiku Latest and $0 for Free Models Router.
Choose Anthropic Claude Haiku Latest when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose Free Models Router when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Free Models Router is estimated at $0 vs $3.5 for Anthropic Claude Haiku Latest, saving $3.5 (100% lower).
- Free Models Router is free for the standard workload while the other model is estimated at $3.5.
- Free Models Router is free for input tokens while Anthropic Claude Haiku Latest costs $1 per 1M tokens.
- Free Models Router is free for output tokens while Anthropic Claude Haiku Latest costs $5 per 1M tokens.
- Both models report the same context window at 200K tokens.
| Feature | NewAnthropic Claude Haiku Latest (Anthropic) | Free Models Router (OpenRouter) |
|---|---|---|
| Input Price prompt tokens per 1M | $1 | $0 |
| Completion Price per 1M tokens | $5 | $0 |
| Sample Workload Cost 1M input + 500K output | $3.5 | $0 |
| Context Window | 200K | 200K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Free Models Router | On the standard 1M input plus 500K output workload, Free Models Router is estimated at $0 vs $3.5 for Anthropic Claude Haiku Latest, saving $3.5 (100% lower). |
| High-volume input processing | Free Models Router | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Free Models Router | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Tie | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Claude 3 Haiku can replace Anthropic Claude Haiku Latest when lower sample workload cost matters most: $0.88.
- Claude 3.5 Haiku can replace Anthropic Claude Haiku Latest when lower sample workload cost matters most: $2.8.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- Gemini 3.1 Flash Lite offers 1.05M context with $1 sample workload cost.
- No popular competitor is currently available.
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
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Open provider hubsAnthropic catalog
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Open Anthropic modelsOpenRouter catalog
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Open OpenRouter modelsThis model always redirects to the latest model in the Anthropic Claude Haiku family.
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