Claude vs GPT
The short answer. The cheapest Claude model we track, Claude Haiku 3.5, costs $4.00 per million output tokens and $0.800 per million input tokens. The cheapest GPT model, gpt-5-nano, costs $0.400 per million output tokens and $0.050 per million input tokens. At the entry level, GPT is 10.0 times cheaper than Claude on output tokens. Prices read on 18 September 2026.
This page compares what Anthropic and OpenAI charge through their APIs. Every price below carries the day we read it and links to the page it came from. We do not rank quality: we tell you what each model costs, and since when.
At the top of each range
- Among Claude models that carry a relayed score, the highest on the Artificial Analysis intelligence index is Claude Opus 4.7, at 55.0, sold by OpenRouter at $25.00 per million output tokens.
- Among GPT models that carry a relayed score, the highest on the Artificial Analysis intelligence index is GPT-5.4, at 53.1, sold by OpenRouter at $15.00 per million output tokens.
The index is produced by Artificial Analysis and relayed through OpenRouter's catalogue. It is not our measurement; we record it as a level 4 source and show it next to the price we read. A model without a score here has not been scored yet, which is not the same as scoring low.
Every model, side by side
Claude models
17 standard offers, from the prices Anthropic publishes itself.
| Model | Input | Output | Context | Read on | Source |
|---|---|---|---|---|---|
| Claude Haiku 3.5 | $0.800 | $4.00 | 18 September 2026 | Anthropic | |
| Claude Haiku 4.5 | $1.00 | $5.00 | 200 000 | 18 September 2026 | Anthropic |
| Claude Sonnet 5 | $2.00 | $10.00 | 1 000 000 | 18 September 2026 | Anthropic |
| Claude Sonnet 4 | $3.00 | $15.00 | 18 September 2026 | Anthropic | |
| Claude Sonnet 4.5 | $3.00 | $15.00 | 18 September 2026 | Anthropic | |
| Claude Sonnet 4.6 | $3.00 | $15.00 | 18 September 2026 | Anthropic | |
| Claude Opus 4.5 | $5.00 | $25.00 | 18 September 2026 | Anthropic | |
| Claude Opus 4.6 | $5.00 | $25.00 | 18 September 2026 | Anthropic | |
| Claude Opus 4.7 | $5.00 | $25.00 | 18 September 2026 | Anthropic | |
| Claude Opus 4.8 | $5.00 | $25.00 | 18 September 2026 | Anthropic | |
| Claude Opus 5 | $5.00 | $25.00 | 1 000 000 | 18 September 2026 | Anthropic |
| Claude Fable 5 | $10.00 | $50.00 | 1 000 000 | 18 September 2026 | Anthropic |
| Claude Fable 5.1 | $10.00 | $50.00 | 1 000 000 | 18 September 2026 | Anthropic |
| Claude Mythos 5 | $10.00 | $50.00 | 18 September 2026 | Anthropic | |
| Claude Mythos 5.1 | $10.00 | $50.00 | 18 September 2026 | Anthropic | |
| Claude Opus 4 | $15.00 | $75.00 | 18 September 2026 | Anthropic | |
| Claude Opus 4.1 | $15.00 | $75.00 | 18 September 2026 | Anthropic |
GPT models
35 standard offers, from the prices OpenAI publishes itself.
| Model | Input | Output | Context | Read on | Source |
|---|---|---|---|---|---|
| gpt-5-nano | $0.050 | $0.400 | 18 September 2026 | OpenAI | |
| gpt-4.1-nano | $0.100 | $0.400 | 18 September 2026 | OpenAI | |
| gpt-4o-mini | $0.150 | $0.600 | 18 September 2026 | OpenAI | |
| gpt-5.6-luna | $0.200 | $1.20 | 18 September 2026 | OpenAI | |
| gpt-5.4-nano | $0.200 | $1.25 | 18 September 2026 | OpenAI | |
| gpt-3.5-turbo | $0.500 | $1.50 | 18 September 2026 | OpenAI | |
| gpt-3.5-turbo-0125 | $0.500 | $1.50 | 18 September 2026 | OpenAI | |
| gpt-4.1-mini | $0.400 | $1.60 | 18 September 2026 | OpenAI | |
| gpt-5-mini | $0.250 | $2.00 | 18 September 2026 | OpenAI | |
| gpt-3.5-turbo-1106 | $1.00 | $2.00 | 18 September 2026 | OpenAI | |
| gpt-3.5-turbo-instruct | $1.50 | $2.00 | 18 September 2026 | OpenAI | |
| o3-mini | $1.10 | $4.40 | 18 September 2026 | OpenAI | |
| o4-mini | $1.10 | $4.40 | 18 September 2026 | OpenAI | |
| gpt-5.4-mini | $0.750 | $4.50 | 18 September 2026 | OpenAI | |
| gpt-4.1 | $2.00 | $8.00 | 18 September 2026 | OpenAI | |
| o3 | $2.00 | $8.00 | 18 September 2026 | OpenAI | |
| gpt-5 | $1.25 | $10.00 | 18 September 2026 | OpenAI | |
| gpt-5.1 | $1.25 | $10.00 | 18 September 2026 | OpenAI | |
| gpt-4o | $2.50 | $10.00 | 18 September 2026 | OpenAI | |
| gpt-5.6-terra | $2.00 | $12.00 | 18 September 2026 | OpenAI | |
| gpt-5.2 | $1.75 | $14.00 | 18 September 2026 | OpenAI | |
| gpt-5.4 (<272K context length) | $2.50 | $15.00 | 18 September 2026 | OpenAI | |
| gpt-4o-2024-05-13 | $5.00 | $15.00 | 18 September 2026 | OpenAI | |
| gpt-5.6-sol | $4.00 | $20.00 | 18 September 2026 | OpenAI | |
| gpt-5.5 (<272K context length) | $5.00 | $30.00 | 18 September 2026 | OpenAI | |
| gpt-4-turbo-2024-04-09 | $10.00 | $30.00 | 18 September 2026 | OpenAI | |
| gpt-6-astra | $10.00 | $50.00 | 18 September 2026 | OpenAI | |
| o1 | $15.00 | $60.00 | 18 September 2026 | OpenAI | |
| gpt-4-0613 | $30.00 | $60.00 | 18 September 2026 | OpenAI | |
| o3-pro | $20.00 | $80.00 | 18 September 2026 | OpenAI | |
| gpt-5-pro | $15.00 | $120 | 18 September 2026 | OpenAI | |
| gpt-5.2-pro | $21.00 | $168 | 18 September 2026 | OpenAI | |
| gpt-5.4-pro (<272K context length) | $30.00 | $180 | 18 September 2026 | OpenAI | |
| gpt-5.5-pro (<272K context length) | $30.00 | $180 | 18 September 2026 | OpenAI | |
| o1-pro | $150 | $600 | 18 September 2026 | OpenAI |
How these prices have moved
We hold dated captures of these models' prices back to 26 July 2023. We did not observe these values ourselves: they were recovered from public captures of OpenRouter's catalogue, and each links to its capture so you can check it without trusting us. Largest moves on output price:
| Model | Before | After | Change | Captured |
|---|---|---|---|---|
| OpenAI: GPT-5 | $5.00 | $10.00 | +100% | 26 September 2025 |
| OpenAI: GPT-5.6 Luna | $0.600 | $1.20 | +100% | 21 August 2026 |
| OpenAI: GPT-5.6 Luna Pro | $0.600 | $1.20 | +100% | 21 August 2026 |
| OpenAI: GPT-5.6 Terra | $6.00 | $12.00 | +100% | 21 August 2026 |
| OpenAI: GPT-5.6 Terra Pro | $6.00 | $12.00 | +100% | 21 August 2026 |
| OpenAI: gpt-oss-120b | $0.400 | $0.000 | -100% | 14 November 2025 |
Questions
Which is cheaper, Claude or GPT?
The cheapest Claude model we track, Claude Haiku 3.5, costs $4.00 per million output tokens and $0.800 per million input tokens. The cheapest GPT model, gpt-5-nano, costs $0.400 per million output tokens and $0.050 per million input tokens. At the entry level, GPT is 10.0 times cheaper than Claude on output tokens. Prices read on 18 September 2026.
What is the cheapest Claude model?
Claude Haiku 3.5, at $4.00 per million output tokens, read on 18 September 2026.
What is the cheapest GPT model?
gpt-5-nano, at $0.400 per million output tokens, read on 18 September 2026.
Where do these prices come from?
From the price lists Anthropic and OpenAI publish, read by our collectors. No figure on this page was produced by a language model.