o3 (2025-04-16)

Snapshot of o3 from April 16, 2025. Our smartest reasoning model with breakthrough performance on complex tasks.

Input price
$1.80list $2.00-10%
Output price
$7.20list $8.00-10%
Context
200K
Max output
100K
Modalities
InputTextImageOutputText
147 (#57 of 89)
1410
—
Released
2025-04-16
Knowledge cutoff
—
Try in ChatCompare

Providers

This model is served by the dedicated providers below. We pick the provider for each request, so provider preferences don’t apply, including a provider named in your request. Prices in USD per 1M tokens. Need a custom setup? Contact [email protected].

Included providers1
  • SuccessTTFT
  • OpenAIUnited States——

Pricing

Prices for this model. Each request is billed at these prices, whichever provider serves it.

ItemPriceFlexPriority
Inputper 1M tokens$1.80list $2.00-10%$0.90list $1.00-10%$3.15list $3.50-10%
Outputper 1M tokens$7.20list $8.00-10%$3.60list $4.00-10%$12.60list $14.00-10%
Cache readper 1M tokens$0.45list $0.50-10%$0.225list $0.25-10%$0.7875list $0.875-10%
Batch inputper 1M tokens$0.90list $1.00-10%——
Batch outputper 1M tokens$3.60list $4.00-10%——
Web searchper request$0.009list $0.01-10%——

Make a request

Set your provider preferences, then copy the request. It reads your API key from OHMYGPT_API_KEY.

Provider preferences don’t apply to this model. Need a custom setup? Contact [email protected].

curl https://api.ohmygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $OHMYGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/o3-2025-04-16",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Similar models

Other models with the same output types at a similar price.

  • Better value: more capable, lower price
  • Pareto frontier
  • Similar models

Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-02), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Price: our current input price per 1M tokens in USD, lowest across channels. Dated snapshots and resold copies of the same model are merged into one point; free models are not shown.

Shaded area: capability above and price below the median of all models. Pareto frontier: no other model is both cheaper and more capable.

o3 (2025-04-16)This model
147
Input
$1.80
Output
$7.20
Gemini 4 Argon
166
Input
$1.80
Output
$9.00
GPT-6.1 Sol
168
Input
$1.80–$3.60
Output
$9.00–$13.50
Mistral Medium
—
Input
$1.65
Output
$8.25
Kimi K3.1 Pro
—
Input
$2.0878–$2.20
Output
$10.9208–$11.00

Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-10-28): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text