AI API pricing — every model, per 1M tokens
Sorted from cheapest (blended 3:1 input:output). We list the price you are actually billed today — promotional rates included, with the standard rate in the note. Verified 2026-10-17.
| Model | Input | Output | Cached | Note |
|---|---|---|---|---|
| Claude Haiku 5.5Anthropic | $0.100 | $0.500 | $0.010 | Prompts up to 100K tokens; longer prompts cost $0.50/$2.50 |
| GPT-6 LunaOpenAI | $0.100 | $0.500 | $0.010 | |
| GPT-5.4 NanoOpenAI | $0.200 | $1.25 | $0.020 | |
| DeepSeek V4.1 FlashDeepSeek | $0.300 | $1.20 | $0.006 | Peak-hour price (01-04 and 06-10 UTC, Mon-Fri); off-peak costs half. Replaced DeepSeek V4 Flash |
| Gemini 3.1 Flash-LiteGoogle | $0.250 | $1.50 | $0.025 | |
| Gemini 3.8 FlashGoogle | $0.750 | $3.75 | $0.075 | Launch price until Dec 31, 2026; $1.50/$7.50 announced from Jan 1, 2027 |
| GPT-5.4 MiniOpenAI | $0.750 | $4.50 | $0.075 | |
| DeepSeek V4 ProDeepSeek | $1.32 | $3.96 | $0.044 | Peak-hour price (01-04 and 06-10 UTC, Mon-Fri); off-peak costs half |
| Claude Haiku 4.5Anthropic | $1 | $5 | $0.100 | Previous generation; Haiku 5.5 is 10x cheaper |
| Gemini 2.5 ProGoogle | $1.25 | $10 | $0.125 | Prompts up to 200K tokens; longer prompts cost $2.50/$15 |
| Claude Sonnet 5.5Anthropic | $2 | $10 | $0.100 | |
| Claude Sonnet 5Anthropic | $2 | $10 | $0.200 | The $2/$10 launch price became the standard price; the planned increase to $3/$15 was cancelled |
| GPT-6.1 SolOpenAI | $2 | $10 | $0.100 | |
| Gemini 4 ArgonGoogle | $2 | $10 | $0.100 | Launch price until Nov 30, 2026; $4/$20 announced from Dec 1, 2026 |
| Gemini 3.1 ProGoogle | $2 | $12 | $0.200 | Preview; prompts up to 200K tokens; longer prompts cost $4/$18 |
| GPT-5.4OpenAI | $2.50 | $15 | $0.250 | Prompts up to 272K tokens; longer prompts cost more |
| Claude Opus 5.5Anthropic | $4 | $20 | $0.200 | |
| Claude Opus 4.8Anthropic | $5 | $25 | $0.500 | Previous generation; Opus 5.5 is 20% cheaper |
| GPT-5.5OpenAI | $5 | $30 | $0.500 | Prompts up to 272K tokens; longer prompts cost more |
| Claude Fable 5.1Anthropic | $10 | $50 | $0.250 | Anthropic's most capable model |
| Claude Fable 5Anthropic | $10 | $50 | $1 | Previous generation; Fable 5.1 costs the same with 4x cheaper cache reads |
| GPT-6 AstraOpenAI | $10 | $50 | $1 | |
| GPT-5.5 ProOpenAI | $30 | $180 | — | Prompts up to 272K tokens; longer prompts cost more |
Popular comparisons
- Claude Sonnet 5 vs GPT-5.4
- Claude Sonnet 5 vs Gemini 3.1 Pro
- Claude Opus 4.8 vs GPT-5.5
- Claude Fable 5 vs GPT-5.5 Pro
- Claude Haiku 4.5 vs GPT-5.4 Mini
- Claude Haiku 4.5 vs Gemini 3.1 Flash-Lite
- Claude Haiku 4.5 vs Gemini 3.8 Flash
- GPT-5.4 vs Gemini 3.1 Pro
- GPT-5.4 Mini vs Gemini 3.8 Flash
- GPT-5.5 vs Gemini 3.1 Pro
- Claude Sonnet 5.5 vs GPT-6.1 Sol
- Claude Sonnet 5.5 vs Gemini 4 Argon
- GPT-6.1 Sol vs Gemini 4 Argon
- Claude Haiku 5.5 vs GPT-6 Luna
- Claude Haiku 5.5 vs Gemini 3.1 Flash-Lite
- Claude Fable 5.1 vs GPT-6 Astra
- Claude Opus 5.5 vs GPT-6 Astra
- DeepSeek V4 Pro vs Claude Haiku 4.5
- DeepSeek V4.1 Flash vs Gemini 3.1 Flash-Lite
- DeepSeek V4 Pro vs GPT-5.4 Mini
- DeepSeek V4.1 Flash vs Claude Haiku 5.5
- Claude Fable 5 vs Claude Opus 4.8
- Claude Opus 4.8 vs Claude Sonnet 5
- Claude Sonnet 5 vs Claude Haiku 4.5
- Claude Fable 5.1 vs Claude Opus 5.5
- Claude Opus 5.5 vs Claude Sonnet 5.5
- Claude Sonnet 5.5 vs Claude Haiku 5.5
- GPT-5.5 Pro vs GPT-5.5
- GPT-5.5 vs GPT-5.4
- GPT-5.4 vs GPT-5.4 Mini
- GPT-5.4 Mini vs GPT-5.4 Nano
- GPT-6 Astra vs GPT-6.1 Sol
- GPT-6.1 Sol vs GPT-6 Luna
- Gemini 3.1 Pro vs Gemini 3.8 Flash
- Gemini 3.8 Flash vs Gemini 3.1 Flash-Lite
- Gemini 4 Argon vs Gemini 3.1 Pro
- DeepSeek V4 Pro vs DeepSeek V4.1 Flash
- Claude Sonnet 5.5 vs Claude Sonnet 5
- Claude Opus 5.5 vs Claude Opus 4.8
- Claude Fable 5.1 vs Claude Fable 5
- Claude Haiku 5.5 vs Claude Haiku 4.5
- GPT-6.1 Sol vs GPT-5.4
- Claude Sonnet 5 vs DeepSeek V4 Pro
- GPT-5.5 vs Claude Sonnet 5
- Gemini 2.5 Pro vs Gemini 3.1 Pro
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