Claude and more
Anthropic
from $0.20 / 1M
20 models · typical $7.00 · top 95.6% GPQA, max reasoning
Developer head to head · prices updated Oct 31, 2026
Anthropic vs OpenAI
Claude vs GPT: every model's API price, compared
OpenAI starts cheaper ($0.055 vs $0.20 per 1M tokens); OpenAI's typical model costs less ($3.44 vs $7.00); OpenAI has the more accurate top model (95.8% vs 95.6% GPQA).
GPT and more
OpenAI
from $0.055 / 1M
39 models · typical $3.44 · top 95.8% GPQA, max reasoning
- Cheaper entry modelOpenAI
- More accurate top modelOpenAI
- Cheaper 85%+ GPQA modelTie
- More modelsOpenAI
The matchups that matter
| Anthropic | OpenAI | |
|---|---|---|
| Cheapest model | Claude Haiku 5.5 $0.20 via Anthropic · 89.6% GPQA, max reasoning | gpt-oss-20b $0.055 via W&B Inference (CoreWeave) · 60.8% GPQA, medium reasoning |
| Most accurate (GPQA) | Claude Sonnet 5.5 $4.00 via Anthropic · 95.6% GPQA, max reasoning | GPT-6 Astra $20.00 via OpenAI · 95.8% GPQA, max reasoning |
| Cheapest with 85%+ GPQA | Claude Haiku 5.5 $0.20 via Anthropic · 89.6% GPQA, max reasoning | GPT-6 Luna $0.20 via OpenAI · 90.5% GPQA, max reasoning |
| Typical model price | $7.00 | $3.44 |
| Models we track | 20 | 39 |
Flagships: Claude Sonnet 5.5 vs GPT-6 AstraCheapest: Claude Haiku 5.5 vs gpt-oss-20bGPT-6.1 Sol vs Claude Opus 5.5Claude Sonnet 5.5 vs GPT-6 SolClaude Haiku 5.5 vs GPT-6 Luna
Blended list price per 1M tokens (3 input : 1 output) at each model's cheapest provider; only models at least two providers sell. GPQA Diamond by Epoch AI (CC BY 4.0), best measured reasoning setting.
Every model, cheapest first
Anthropic
- Claude Haiku 5.589.6% GPQA, max reasoning$0.20 via Anthropic
- claude-3-5-haiku$1.60 via Amazon Bedrock
- Claude Haiku 4.5$2.00 via Anthropic
- Claude Sonnet 590.5% GPQA, xhigh reasoning$4.00 via Anthropic
- Claude Sonnet 5.595.6% GPQA, max reasoning$4.00 via Anthropic
- Claude Sonnet 4.5$6.00 via Anthropic
- Claude Sonnet 4.683.3% GPQA, high reasoning$6.00 via Anthropic
- claude-3-5-sonnet$6.00 via Amazon Bedrock
- claude-3-7-sonnet$6.00 via Replicate
- claude-4-sonnet$6.00 via Replicate
- Claude Opus 5.590.6% GPQA, max reasoning$8.00 via Anthropic
- Claude Opus 4.5$10.00 via Anthropic
OpenAI
- gpt-oss-20b60.8% GPQA, medium reasoning$0.055 via W&B Inference (CoreWeave)
- gpt-oss-120b75.8% GPQA, high reasoning$0.065 via W&B Inference (CoreWeave)
- GPT OSS Safeguard 20B$0.1025 via Amazon Bedrock
- GPT-5 Nano$0.1375 via OpenAI
- gpt-4.1-nano$0.175 via Replicate
- GPT-6 Luna90.5% GPQA, max reasoning$0.20 via OpenAI
- GPT OSS Safeguard 120B$0.2625 via Amazon Bedrock
- GPT-4o mini$0.2625 via OpenAI
- gpt-4o-mini-audio-preview$0.2625 via OpenAI
- GPT-5.6 Luna91.6% GPQA, max reasoning$0.45 via OpenAI
- GPT-5.4 nano$0.4625 via OpenAI
- GPT-5 Mini$0.6875 via OpenAI
Questions people ask
Is Anthropic cheaper than OpenAI?
No at the cheap end: OpenAI's cheapest model, gpt-oss-20b, starts at $0.055 per 1M tokens, against $0.20 for Anthropic's Claude Haiku 5.5. The typical (median) model costs $7.00 at Anthropic and $3.44 at OpenAI.
Which has the more accurate model, Anthropic or OpenAI?
Anthropic's most accurate model we track, Claude Sonnet 5.5, scores 95.6% GPQA, max reasoning (GPQA Diamond, Epoch AI) for $4.00 per 1M tokens; OpenAI's GPT-6 Astra scores 95.8% GPQA, max reasoning for $20.00.
How many Anthropic and OpenAI models can I buy through APIs?
We track 20 Anthropic and 39 OpenAI models that at least two providers sell, with prices from each provider's pricing page.