Comparison · Claude vs GPT
Claude vs GPT token pricing
Headline per-million token prices do not reveal which model is cheaper for your histogram. This page focuses on paired comparisons you can defend in reviews.
Token rate comparison
| Model | Provider | Input | Output |
|---|---|---|---|
| Claude 3.5 Sonnet | Anthropic | $0.0030 / 1K in | $0.0150 / 1K out |
| Claude 3.5 Haiku | Anthropic | $0.0008 / 1K in | $0.0040 / 1K out |
| GPT-4o | OpenAI | $0.0025 / 1K in | $0.0100 / 1K out |
| GPT-4o mini | OpenAI | $0.0002 / 1K in | $0.0006 / 1K out |
Input/output asymmetry
Both families charge more for output than input in most tiers. Long answers hurt either way.
Context behavior
Long system prompts are common in Claude apps—audit them for duplication and staleness.
Performance vs price
Run offline evals on refusal rates, formatting reliability, and latency—especially for customer chat.
Use-case guidance
GPT-4o mini / Haiku for triage, Sonnet / GPT-4o for customer replies, Opus / o-series for hardest reasoning—adjust to your SLOs.
Developer notes
SDK ergonomics differ; factor onboarding time for new hires when picking a primary vendor.
Optimization
Use structured outputs, trim tool payloads, and cache static instructions to shrink prompts.
FAQ: Claude vs GPT
Short answers mirror the structured data on this page for search engines and readers.
- Which is cheaper for support bots?
- Haiku vs mini depends on measured tokens—use identical prompts in the calculator.
- Do prices move in lockstep?
- No—each vendor adjusts independently. Refresh config regularly.
- How important is tokenizer choice?
- Very—identical English sentences can tokenize differently across models.
- Can we hedge with both?
- Yes, with a routing layer and clear fallback policies.