Claude Haiku 4.5 vs GPT-6 Sol Pro

Price, context window & benchmark comparison

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Claude Haiku 4.5

Anthropic
$1.00 / $5.00
Input / Output · per 1M tokens
VS
O

GPT-6 Sol Pro

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Claude Haiku 4.5 is 2.0× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix. GPT-6 Sol Pro has the larger context window (1.1M vs 200K).
Claude Haiku 4.5GPT-6 Sol Pro
Input price / 1M$1.00$2.00
Output price / 1M$5.00$10.00
Blended price (3:1)$2.00$4.00
Cached input / 1M$0.10$0.20
Context window200K1.1M
Max output64K128K
Intelligence index16.9—
Coding index43.9—
Providers—6
Best provider uptime (30m)—99.9%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-10-152026-09-22
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Haiku 4.5 or GPT-6 Sol Pro?

Claude Haiku 4.5 is 2.0× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix.

Claude Haiku 4.5 vs GPT-6 Sol Pro: which has a bigger context window?

Claude Haiku 4.5: 200,000 tokens. GPT-6 Sol Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Haiku 4.5 ≈ $4,500, GPT-6 Sol Pro ≈ $9,000.

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