LLM Pricing Answers
Quick answers to common questions about LLM API pricing, model comparisons, and cost optimization. All prices verified April 2026.
Model Pricing
| Model | Input (per 1M) | Output (per 1M) | Details |
|---|---|---|---|
| Claude Haiku 4.5 | $1.00 | $5.00 | Full breakdown |
| Claude Sonnet, every version | $2.00 to $3.00 | $10.00 to $15.00 | Full breakdown |
| Claude Opus, every version | $5.00 to $15.00 | $25.00 to $75.00 | Full breakdown |
| Claude Fable 5.1 | $10.00 | $50.00 | Full breakdown |
| GPT-6 Astra | $10.00 | $50.00 | Full breakdown |
| Gemini 3.8 Flash | $0.75 | $3.75 | Full breakdown |
| Claude Opus 4 | $15.00 | $75.00 | Full breakdown |
| Claude Sonnet 4 | $3.00 | $15.00 | Full breakdown |
| Claude Haiku 4 | $0.80 | $4.00 | Full breakdown |
| GPT-4o | $2.50 | $10.00 | Full breakdown |
| GPT-4o Mini | $0.15 | $0.60 | Full breakdown |
| GPT-5.5 Pro | $30.00 | $180.00 | Full breakdown |
| DeepSeek V4 Flash | $0.012 | $1.25 | Full breakdown |
| Qwen (family overview) | from $0.02 | varies | Full breakdown |
| Gemini 2.0 Pro | $1.25 | $5.00 | Full breakdown |
| Gemini 2.0 Flash | $0.075 | $0.30 | Full breakdown |
| Llama 3 405B | Self-host: ~$4/hr on 8xH100 | Full breakdown | |
| Mistral Large | $2.00 | $6.00 | Full breakdown |
| DeepSeek V3 | $0.27 | $1.10 | Full breakdown |
| GPT-5.5 Pro | $30.00 | $180.00 | Full breakdown |
| DeepSeek V4 Flash | $0.012 | $1.25 | Full breakdown |
| Qwen (53 models) | $0.018+ | $0.13+ | Full breakdown |
Claude Managed Agents bills the tokens of a session at the model prices and the session runtime at $0.08 per session-hour, an Anthropic list price fetched on 10 October 2026: Claude Managed Agents pricing.
Head-to-Head Comparisons
- Claude Opus 4 vs GPT-4o — premium model showdown
- Claude Haiku 4 vs GPT-4o Mini — budget model comparison
- Gemini 2.0 Flash vs GPT-4o Mini — cheapest model comparison
- Claude Sonnet 4 vs Gemini 2.0 Pro — mid-tier comparison
- Llama 3 405B vs GPT-4o — open source vs proprietary
- Mistral Large vs Claude Sonnet 4 — European vs American AI
- DeepSeek V3 vs GPT-4o Mini — budget API comparison
- Open-Source vs API Models in 2026 — comprehensive comparison
- GPT-4o vs Claude Sonnet Price — pricing deep dive
2026 Catalog Guides
- GPT-5.5 Pro Pricing — flagship reasoning, $30/$180
- DeepSeek V4 Flash Pricing — cheapest named LLM, $0.012/$1.25
- Qwen Pricing 2026 — all 53 models ranked
- Cheapest 1M Token Context LLMs — 164 models ranked
- LLM Batch API Discount Comparison — 73 pairs, median 50% off
Cost Calculators & Use Cases
- Cost of an LLM Chatbot Per Month — 1K to 100K conversations
- Cost of AI Code Review — per PR cost by model and size
- Cost of AI Customer Support — per ticket cost comparison
- Cost to Summarize 1,000 Documents — batch processing costs
- Cost of a RAG Pipeline — embedding + retrieval + generation
- Cheapest Way to Build an AI App — tiered approach guide
- LLM API Cost Optimization Tips — save 50-80% on API costs
General Questions
- GPT-4o Pricing 2026: Cost Per Token, API Rates & Calculator
- Cheapest LLM API in 2026
- How Much Does GPT-4 Cost Per Month?
- How Many LLM Tokens Per Word?
- Context Window Comparison 2026
- When to Self-Host an LLM
- Cheapest Way to Run Llama
Calculate your LLM API costs with KickLLM — free, no sign-up required.
Prices last verified: April 2026. Pricing may change — always check provider websites for current rates.