Claude Haiku 5.5 vs GPT-6 Astra Pro
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on October 24, 2026· 223 models
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use.
- Reasoning estimated
- Speed estimated
- ▲
- Input
- Output
- Context
- 1 M tokens
- Max output
- 128 K
- Input, $ per 1M tokens
- ▲$0.100
- Output, $ per 1M tokens
- ▲$0.500
- Cache read, $ per 1M
- $0.010
- Batch (input / output)
- $0.050 / $0.250
- Tool calling
- Yes
- Released
- ▲10/07/2026
- Knowledge cutoff
- 2026-06
- API id
- anthropic/claude-haiku-5.5
GPT-6 Astra Pro is the same underlying model as GPT-6 Astra, served with reasoning.mode set to pro for higher-quality responses on complex tasks.
- Reasoning estimated
- ▲
- Speed estimated
- Input
- Output
- Context
- ▲1.1 M tokens
- Max output
- 128 K
- Input, $ per 1M tokens
- $10.00
- Output, $ per 1M tokens
- $50.00
- Cache read, $ per 1M
- $1.000
- Batch (input / output)
- $5.00 / $25.00
- Tool calling
- Yes
- Released
- 09/04/2026
- Knowledge cutoff
- —
- API id
- openai/gpt-6-astra-pro
Which is the better API choice: Claude Haiku 5.5 vs GPT-6 Astra Pro?
- Claude Haiku 5.5: cheapest input (99% less than GPT-6 Astra Pro)
- Claude Haiku 5.5: cheapest output
- GPT-6 Astra Pro: largest context (1.1 M)
- Claude Haiku 5.5: the newest (10/07/2026)
- GPT-6 Astra Pro: most reasoning (estimated)
- Claude Haiku 5.5: the fastest (estimated)
Claude Haiku 5.5 costs 99% less on input and 99% less on output than GPT-6 Astra Pro ($0.100 / $0.500 versus $10.00 / $50.00 per million tokens). GPT-6 Astra Pro accepts more context (1.1 M). Claude Haiku 5.5 and GPT-6 Astra Pro offer a batch tier at half price for jobs that do not need an immediate answer.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
With Claude Haiku 5.5 you save $346.50 a month versus GPT-6 Astra Pro (99% less).
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Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1Claude Haiku 5.5 Anthropic$0.008
- 2Claude Sonnet 5.5 Anthropic$0.152
- 3Claude Sonnet 5 Anthropic$0.152
- 4Claude Opus 5.5 Anthropic$0.304
- 5Claude Opus 5 Anthropic$0.380
- 6GPT-6 Astra Pro OpenAI$0.760
- 7Claude Fable 5.1 Anthropic$0.760
- 8Claude Fable 5 Anthropic$0.760
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Frequently asked questions
Which is the better API choice: Claude Haiku 5.5 vs GPT-6 Astra Pro?
Claude Haiku 5.5 costs 99% less on input and 99% less on output than GPT-6 Astra Pro ($0.100 / $0.500 versus $10.00 / $50.00 per million tokens). GPT-6 Astra Pro accepts more context (1.1 M). Claude Haiku 5.5 and GPT-6 Astra Pro offer a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: Claude Haiku 5.5 and GPT-6 Astra Pro?
Claude Haiku 5.5 is cheaper: $0.100 per million input tokens and $0.500 per million output tokens, versus $10.00 / $50.00 for GPT-6 Astra Pro.
Which has more context: Claude Haiku 5.5 and GPT-6 Astra Pro?
GPT-6 Astra Pro accepts 1.1 M tokens of context; Claude Haiku 5.5 accepts 1 M.
Which is newer: Claude Haiku 5.5 and GPT-6 Astra Pro?
Claude Haiku 5.5 was released on 10/07/2026; GPT-6 Astra Pro on 09/04/2026.
What would 10,000 requests a month cost with Claude Haiku 5.5 and GPT-6 Astra Pro?
With 1,500 input and 400 output tokens per request: Claude Haiku 5.5: $3.50; GPT-6 Astra Pro: $350.00 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.