GPT-5.4 Mini is $29.25 cheaper per 1M input tokens (97.5% lower; 40x difference).
API cost decision in 10 seconds
NewClaude Opus 4.7 (Fast) vs GPT-5.4 Mini
Pick GPT-5.4 Mini for lower cost; pick Claude Opus 4.7 (Fast) only if the larger context window matters more.
Budget verdict
Pick GPT-5.4 Mini for lower cost; pick Claude Opus 4.7 (Fast) only if the larger context window matters more.
On the standard 1M input plus 500K output workload, GPT-5.4 Mini is estimated at $3 vs $105 for Claude Opus 4.7 (Fast), saving $102 (97.1% lower).
Claude Opus 4.7 (Fast) has more context, but GPT-5.4 Mini saves $102 on the standard workload. At 10x that traffic, the same price gap is about $1020. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
GPT-5.4 Mini stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Claude Opus 4.7 (Fast) | GPT-5.4 Mini |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | GPT-5.4 Mini | $225 | $6 |
| Balanced workload | 1M input + 1M output | GPT-5.4 Mini | $180 | $5.25 |
| Output-heavy chatbot | 1M input + 5M output | GPT-5.4 Mini | $780 | $23.25 |
GPT-5.4 Mini is $145.5 cheaper per 1M output tokens (97% lower; 33.3x difference).
Claude Opus 4.7 (Fast) has 600K more context (2.5x larger).
GPT-5.4 Mini is $102 cheaper on the standard workload (97.1% 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
GPT-5.4 Mini has the lower input price; GPT-5.4 Mini has the lower output price; Claude Opus 4.7 (Fast) offers the larger context window. For the 1M input plus 500K output sample, GPT-5.4 Mini is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $105 for Claude Opus 4.7 (Fast) and $3 for GPT-5.4 Mini.
Choose Claude Opus 4.7 (Fast) when you care most about larger context window.
Choose GPT-5.4 Mini when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, GPT-5.4 Mini is estimated at $3 vs $105 for Claude Opus 4.7 (Fast), saving $102 (97.1% lower).
- GPT-5.4 Mini is $102 cheaper on the standard workload (97.1% lower).
- GPT-5.4 Mini is $29.25 cheaper per 1M input tokens (97.5% lower; 40x difference).
- GPT-5.4 Mini is $145.5 cheaper per 1M output tokens (97% lower; 33.3x difference).
- Claude Opus 4.7 (Fast) has 600K more context (2.5x larger).
| Feature | NewClaude Opus 4.7 (Fast) (Anthropic) | GPT-5.4 Mini (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $30 | $0.75 |
| Completion Price per 1M tokens | $150 | $4.5 |
| Sample Workload Cost 1M input + 500K output | $105 | $3 |
| Context Window | 1M | 400K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | GPT-5.4 Mini | On the standard 1M input plus 500K output workload, GPT-5.4 Mini is estimated at $3 vs $105 for Claude Opus 4.7 (Fast), saving $102 (97.1% lower). |
| High-volume input processing | GPT-5.4 Mini | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | GPT-5.4 Mini | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Claude Opus 4.7 (Fast) | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Claude 3 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $0.88.
- Claude 3.5 Haiku can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $2.8.
- Anthropic Claude Haiku Latest can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.
- Claude Haiku 4.5 can replace Claude Opus 4.7 (Fast) when lower sample workload cost matters most: $3.5.
- 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 modelsOpenAI catalog
Check other OpenAI models with comparable pricing, context, or release timing.
Open OpenAI modelsFast-mode variant of [Opus 4.7](/anthropic/claude-opus-4.7) - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,...