Compare

Claude Sonnet 5 vs GPT Image 2.5 Sunburst

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Claude Sonnet 5
anthropic/claude-sonnet-5
GPT Image 2.5 Sunburst
openai/gpt-image-2.5-sunburst
Provider
Anthropic
OpenAI
Family
Claude 4
Modality
text
image
Context window
1,000,000 tok
Max output
128,000 tok
Released
2026-07-07
2026-09-10
License
Proprietary
Proprietary
Input price
$2.00 /1M
Output price
$10.00 /1M
Per image
$0.030 /img
Tools
yes
Streaming
yes
Vision
yes
JSON mode
yes
Reasoning
yes
Prompt caching
Batch API
Try it
Open in playground →
View model →
Claude Sonnet 5
anthropic/claude-sonnet-5
Full spec →

Claude Sonnet 5 is Anthropic's most agentic Sonnet model yet, built for coding, tool use, reasoning, and long-horizon professional work at lower cost than Opus-class models.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
GPT Image 2.5 Sunburst
openai/gpt-image-2.5-sunburst
Full spec →

OpenAI's most capable image generation and editing model. It accepts text and image inputs and produces images with low, medium, high, xhigh, max, and auto quality settings.

Strengths
  • Text-to-image generation
  • Creative control
Use cases
Marketing assetsProduct mockupsConcept art

Compare with another

Claude Fable 5.1 vs Claude Sonnet 5
anthropic/claude-fable-5.1 · anthropic/claude-sonnet-5
Claude Fable 5.1 vs GPT Image 2.5 Sunburst
anthropic/claude-fable-5.1 · openai/gpt-image-2.5-sunburst
Gemini 3.8 Flash vs Claude Sonnet 5
google/gemini-3.8-flash · anthropic/claude-sonnet-5
Gemini 3.8 Flash vs GPT Image 2.5 Sunburst
google/gemini-3.8-flash · openai/gpt-image-2.5-sunburst
Claude Opus 5 vs Claude Sonnet 5
anthropic/claude-opus-5 · anthropic/claude-sonnet-5
Claude Opus 5 vs GPT Image 2.5 Sunburst
anthropic/claude-opus-5 · openai/gpt-image-2.5-sunburst
Glm-5.3 vs Claude Sonnet 5
zai-org/glm-5.3 · anthropic/claude-sonnet-5
Glm-5.3 vs GPT Image 2.5 Sunburst
zai-org/glm-5.3 · openai/gpt-image-2.5-sunburst
Grok 4.6 vs Claude Sonnet 5
xai/grok-4.6 · anthropic/claude-sonnet-5
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Claude Sonnet 5
client.chat.completions.create(
    model="anthropic/claude-sonnet-5",
    messages=[{"role":"user","content":"hello"}],
)

# GPT Image 2.5 Sunburst
client.chat.completions.create(
    model="openai/gpt-image-2.5-sunburst",
    messages=[{"role":"user","content":"hello"}],
)
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