Anthropic Claude Haiku Latest is $4 cheaper per 1M input tokens (80% lower; 5x difference).
API cost decision in 10 seconds
NewAnthropic Claude Haiku Latest vs Claude Opus 4.5
Pick Anthropic Claude Haiku Latest when budget is the priority.
Pricing data updated:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Anthropic Claude Haiku Latest when budget is the priority.
On the standard 1M input plus 500K output workload, Anthropic Claude Haiku Latest is estimated at $3.5 vs $17.5 for Claude Opus 4.5, saving $14 (80% lower).
Cost-first pickAnthropic Claude Haiku Latest
Context-first pickBoth models
Sample savings$1480%
10x traffic gap$140
The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $140. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Anthropic Claude Haiku Latest stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Anthropic Claude Haiku Latest | Claude Opus 4.5 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Anthropic Claude Haiku Latest | $7.5 | $37.5 |
| Balanced workload | 1M input + 1M output | Anthropic Claude Haiku Latest | $6 | $30 |
| Output-heavy chatbot | 1M input + 5M output | Anthropic Claude Haiku Latest | $26 | $130 |
Anthropic Claude Haiku Latest is $20 cheaper per 1M output tokens (80% lower; 5x difference).
Both models report the same context window at 200K tokens.
Anthropic Claude Haiku Latest is $14 cheaper on the standard workload (80% 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
Anthropic Claude Haiku Latest has the lower input price; Anthropic Claude Haiku Latest has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Anthropic Claude Haiku Latest 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 $17.5 for Claude Opus 4.5.
Choose Anthropic Claude Haiku Latest when you care most about lower input-token price, and lower output-token price.
Choose Claude Opus 4.5 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
- On the standard 1M input plus 500K output workload, Anthropic Claude Haiku Latest is estimated at $3.5 vs $17.5 for Claude Opus 4.5, saving $14 (80% lower).
- Anthropic Claude Haiku Latest is $14 cheaper on the standard workload (80% lower).
- Anthropic Claude Haiku Latest is $4 cheaper per 1M input tokens (80% lower; 5x difference).
- Anthropic Claude Haiku Latest is $20 cheaper per 1M output tokens (80% lower; 5x difference).
- Both models report the same context window at 200K tokens.
| Feature | NewAnthropic Claude Haiku Latest (Anthropic) | Claude Opus 4.5 (Anthropic) |
|---|---|---|
| Input Price prompt tokens per 1M | $1 | $5 |
| Completion Price per 1M tokens | $5 | $25 |
| Sample Workload Cost 1M input + 500K output | $3.5 | $17.5 |
| Context Window | 200K | 200K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Anthropic Claude Haiku Latest | On the standard 1M input plus 500K output workload, Anthropic Claude Haiku Latest is estimated at $3.5 vs $17.5 for Claude Opus 4.5, saving $14 (80% lower). |
| High-volume input processing | Anthropic Claude Haiku Latest | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Anthropic Claude Haiku Latest | 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.
- Claude Haiku 4.5 can replace Claude Opus 4.5 when lower sample workload cost matters most: $3.5.
- Anthropic Claude Sonnet Latest can replace Claude Opus 4.5 when lower sample workload cost matters most: $10.5.
- 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.
- OpenAI GPT Latest offers 1.05M context with $20 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
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsAnthropic catalog
Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.
Open Anthropic modelsThis model always redirects to the latest model in the Anthropic Claude Haiku family.
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...