Which is cheaper, Claude Opus 4.7 and GPT-6 Sol?

GPT-6 Sol has the lowest input price. Per 1M input tokens: Claude Opus 4.7 from $5.00 and GPT-6 Sol from $2.00.

Which has the larger context window, Claude Opus 4.7 and GPT-6 Sol?

Claude Opus 4.7 has the largest context window: Claude Opus 4.7 1,000,000 tokens and GPT-6 Sol 400,000 tokens.

Which is smarter, Claude Opus 4.7 and GPT-6 Sol?

GPT-6 Sol scores highest on the Artificial Analysis Intelligence Index: Claude Opus 4.7 40.7 and GPT-6 Sol 47.6.

Can I switch between Claude Opus 4.7 and GPT-6 Sol without changing my code?

Yes. All of them are served through FastRouter's OpenAI-compatible API, so switching is a change of the model parameter (anthropic/claude-opus-4.7, openai/gpt-6-sol).

Claude Opus 4.7 vs GPT-6 Sol

Side-by-side pricing per provider, context window, benchmark scores and speed, all on one OpenAI-compatible API.

Claude Opus 4.7 Anthropicanthropic/claude-opus-4.7

GPT-6 Sol OpenAIopenai/gpt-6-sol

Creator

Anthropic

OpenAI

Released

Apr 16, 2026

Sep 22, 2026

Context window

400K

Max output

128K

Input / 1MLowest provider price

$5.00

$2.00

Output / 1MLowest provider price

$25.00

$10.00

Providers

IntelligenceArtificial Analysis index

40.7

47.6

CodingArtificial Analysis index

73.6

—

LatencyMedian time to first token

4.5s

—

ThroughputMedian tokens per second

<1 t/s

—

Accepts

Text, Image

Files, Image, Text

Produces

Text

Tool calling

Yes

Structured output

Yes

Reasoning

Yes

Claude Opus 4.7 vs GPT-6 Sol: summary

Claude Opus 4.7 and GPT-6 Sol are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

Claude Opus 4.7, from Anthropic, has a 1,000,000-token context window, costs from $5.00/1M input and $25.00/1M output tokens across 3 providers and scores 40.7 on the Artificial Analysis Intelligence Index.

GPT-6 Sol, from OpenAI, has a 400,000-token context window, costs $2.00/1M input and $10.00/1M output tokens and scores 47.6 on the Artificial Analysis Intelligence Index.

GPT-6 Sol is the cheapest on input, 2.5× cheaper than the next model, Claude Opus 4.7 has the largest context window and GPT-6 Sol scores highest for intelligence.

Switch with one line

client = OpenAI(base_url="https://api.fastrouter.ai/api/v1", api_key="<FASTROUTER_API_KEY>") client.chat.completions.create(model="anthropic/claude-opus-4.7", messages=[...]) # or client.chat.completions.create(model="openai/gpt-6-sol", messages=[...])

Full API docs

Frequently asked questions

More comparisons

Benchmark scores sourced from ArtificialAnalysis