Both models report the same input price at $5 per 1M tokens.
API cost decision in 10 seconds
Claude Fable 5 (batch) vs GPT Chat Latest
Pick Claude Fable 5 (batch) when budget and context both matter.
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Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Claude Fable 5 (batch) when budget and context both matter.
On the standard 1M input plus 500K output workload, Claude Fable 5 (batch) is estimated at $17.5 vs $20 for GPT Chat Latest, saving $2.5 (12.5% lower).
Cost-first pickClaude Fable 5 (batch)
Context-first pickClaude Fable 5 (batch)
Sample savings$2.512.5%
10x traffic gap$25
Claude Fable 5 (batch) is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $25. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Claude Fable 5 (batch) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Claude Fable 5 (batch) | GPT Chat Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Claude Fable 5 (batch) | $37.5 | $40 |
| Balanced workload | 1M input + 1M output | Claude Fable 5 (batch) | $30 | $35 |
| Output-heavy chatbot | 1M input + 5M output | Claude Fable 5 (batch) | $130 | $155 |
Claude Fable 5 (batch) is $5 cheaper per 1M output tokens (16.7% lower; 1.2x difference).
Claude Fable 5 (batch) has 600K more context (2.5x larger).
Claude Fable 5 (batch) is $2.5 cheaper on the standard workload (12.5% 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
both models tie on input price; Claude Fable 5 (batch) has the lower output price; Claude Fable 5 (batch) offers the larger context window. For the 1M input plus 500K output sample, Claude Fable 5 (batch) is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $17.5 for Claude Fable 5 (batch) and $20 for GPT Chat Latest.
Choose Claude Fable 5 (batch) when you care most about lower output-token price, and larger context window.
Choose GPT Chat Latest 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, Claude Fable 5 (batch) is estimated at $17.5 vs $20 for GPT Chat Latest, saving $2.5 (12.5% lower).
- Claude Fable 5 (batch) is $2.5 cheaper on the standard workload (12.5% lower).
- Both models report the same input price at $5 per 1M tokens.
- Claude Fable 5 (batch) is $5 cheaper per 1M output tokens (16.7% lower; 1.2x difference).
- Claude Fable 5 (batch) has 600K more context (2.5x larger).
| Feature | Claude Fable 5 (batch) (Anthropic) | GPT Chat Latest (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $5 | $5 |
| Completion Price per 1M tokens | $25 | $30 |
| Sample Workload Cost 1M input + 500K output | $17.5 | $20 |
| Context Window | 1M | 400K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Claude Fable 5 (batch) | On the standard 1M input plus 500K output workload, Claude Fable 5 (batch) is estimated at $17.5 vs $20 for GPT Chat Latest, saving $2.5 (12.5% lower). |
| High-volume input processing | Tie | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Claude Fable 5 (batch) | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Claude Fable 5 (batch) | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Claude 3 Haiku can replace Claude Fable 5 (batch) when lower sample workload cost matters most: $0.88.
- Claude Haiku 4.5 (batch) can replace Claude Fable 5 (batch) when lower sample workload cost matters most: $1.75.
- Claude 3.5 Haiku can replace Claude Fable 5 (batch) when lower sample workload cost matters most: $2.8.
- Claude Sonnet 5 (batch) can replace Claude Fable 5 (batch) when lower sample workload cost matters most: $3.5.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
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