Anthropic Claude Sonnet Latest is $2 cheaper per 1M input tokens (40% lower; 1.67x difference).
API cost decision in 10 seconds
NewGPT Chat Latest vs Anthropic Claude Sonnet Latest
Pick Anthropic Claude Sonnet Latest when budget and context both matter.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Anthropic Claude Sonnet Latest when budget and context both matter.
On the standard 1M input plus 500K output workload, Anthropic Claude Sonnet Latest is estimated at $10.5 vs $20 for GPT Chat Latest, saving $9.5 (47.5% lower).
Cost-first pickAnthropic Claude Sonnet Latest
Context-first pickAnthropic Claude Sonnet Latest
Sample savings$9.547.5%
10x traffic gap$95
Anthropic Claude Sonnet Latest is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $95. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Anthropic Claude Sonnet Latest stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | GPT Chat Latest | Anthropic Claude Sonnet Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Anthropic Claude Sonnet Latest | $40 | $22.5 |
| Balanced workload | 1M input + 1M output | Anthropic Claude Sonnet Latest | $35 | $18 |
| Output-heavy chatbot | 1M input + 5M output | Anthropic Claude Sonnet Latest | $155 | $78 |
Anthropic Claude Sonnet Latest is $15 cheaper per 1M output tokens (50% lower; 2x difference).
Anthropic Claude Sonnet Latest has 600K more context (2.5x larger).
Anthropic Claude Sonnet Latest is $9.5 cheaper on the standard workload (47.5% 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 Sonnet Latest has the lower input price; Anthropic Claude Sonnet Latest has the lower output price; Anthropic Claude Sonnet Latest offers the larger context window. For the 1M input plus 500K output sample, Anthropic Claude Sonnet Latest is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $20 for GPT Chat Latest and $10.5 for Anthropic Claude Sonnet Latest.
Choose GPT Chat Latest when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
Choose Anthropic Claude Sonnet Latest when you care most about lower input-token price, lower output-token price, and larger context window.
- On the standard 1M input plus 500K output workload, Anthropic Claude Sonnet Latest is estimated at $10.5 vs $20 for GPT Chat Latest, saving $9.5 (47.5% lower).
- Anthropic Claude Sonnet Latest is $9.5 cheaper on the standard workload (47.5% lower).
- Anthropic Claude Sonnet Latest is $2 cheaper per 1M input tokens (40% lower; 1.67x difference).
- Anthropic Claude Sonnet Latest is $15 cheaper per 1M output tokens (50% lower; 2x difference).
- Anthropic Claude Sonnet Latest has 600K more context (2.5x larger).
| Feature | NewGPT Chat Latest (OpenAI) | Anthropic Claude Sonnet Latest (Anthropic) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $3 |
| Completion Price per 1M tokens | $30 | $15 |
| Sample Workload Cost 1M input + 500K output | $20 | $10.5 |
| Context Window | 400K | 1M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Anthropic Claude Sonnet Latest | On the standard 1M input plus 500K output workload, Anthropic Claude Sonnet Latest is estimated at $10.5 vs $20 for GPT Chat Latest, saving $9.5 (47.5% lower). |
| High-volume input processing | Anthropic Claude Sonnet Latest | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Anthropic Claude Sonnet Latest | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Anthropic Claude Sonnet Latest | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace GPT Chat Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT Chat Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT Chat Latest when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace GPT Chat 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.
- GPT-5.5 offers 1.05M context with $20 sample workload cost.
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Open Anthropic modelsGPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...
This model always redirects to the latest model in the Anthropic Claude Sonnet family.